Metropolis Comics is the world's biggest dealer of back issued comics and key issues from the years of 1930 - 1975. Their inventory has just about every comic that was published between those years including some very rare comic pedigrees. They also reportedly spend about $4 million dollars each year buying vintage comic books from people's collections, and have more money than God. They've bought and sold all the key issue comics such as Amazing Fantasy 15, Detective Comics 27, Action Comics 1, Hulk 181, Showcase 22 & Mile High pedigree comics. They pay A LOT more than what you get from an auction house, eBay or mom-and-pop dealer.

G-Mart is an online dealer that lets you subscribe to comic books and also look for modern books online (eg. 1980's-90's material).

Pack Rat Comics has subscription services and promotions for new Randy Bowen comic book hero statues.

ComicConnect is the "do it yourself" place where you can sell comic books and buy comic books from other collectors who are selling Golden Age and Silver Age comic books. It's administrated by the same people at MetropolisComics.com, so the site gets a lot of the traffic and customers from them. It's a great way to sell your back issues directly to the Fortune 500 CEOs and movie stars Metropolis caters to, rather than getting pittance for your collection on eBay.

Wikipedia.org is a great place to research older books.

TFAW is an online store for comic books, manga, anime and pop culture collectibles! TFAW is also the preferred subscription vendor for Dark Horse Comics.

Westfield Comics is a Michigan based company that has a great looking site!

Bud Plant is the place to buy artist sketch books, glamour girl books and erotic comic art. If you buy semi-regularly, you can get on their print catalogue mailing list! They carry lots of great stuff, such as Chris Sanders sketchbook and Frank Frazetta reprints.

Gotham City Art has a huge selection of original comic artwork from Golden, Silver, Bronze and Modern age comics. Artists include Jack Kirby, Steve Ditko, Neal Adams, Dave Cockrum, John Buscema, John Romita, Wally Wood, Larry Hama, Bob McLeod, Curt Swan and more!

Cosmic Comics these guys have boxes and boxes of previously released bins, and also carry lots of new material. If you're ever in New York City, don't miss the chance to stop by their store. The ambience is a mix of old-time comic store with a strong presence of new and current inventory. The walls are adorned with rarer books and is a site to behold. The owners are good salt-of-the-earth, give-ya-the-shirt-off-their-back type guys. As an added bonus, they always seem to have a cute art school chick working the cash register.

Forbidden Planet is one of NYC's flagship stores, located across from the popular Union Square 14 cinema. The have lots of current material, as well as toys and a thriving gaming culture.

Mail Order Comics have pre-orders and steep 25% discounts on new releases. Their top sellers are New Avengers, Mighty Avengers, Justice League of America, World War Hulk, Thor, Batman, Uncanny X-Men, Countdown and Sensational Spider-Woman.

Comics Now not only has back issue comic books, but also a role-playing selection and manga books, too.

Cosmic Cat Comics has comic books, trade paperbacks and graphic novels. They also run Mail Me My Comics for mail-order subscriptions.

Silver Bullet Comics is a great news source with columns, news, reviews and subscriptions.

Midtown Comics is a modern monolith, with two stores in Manhattan filled with tons of new and old material from the 1980s - modern times.

Zaldiva carries older titles, graphic novels, gift cards, toys, T-shirts, supplies and more. They are based in Ft. Lauderdale, Florida.

Krypton Comics is based in Omaha, and allows you to create your own pull list, and you can email them to setup a comic book Want List.

Sci Fi Genre has books, games, toys, DVDs and more, with an online comic book subscription interface plus 30% on trade paperbacks.

Shop Wiki lists a whole bunch of comic sites and comic stores dealing in vintage titles and graphic novels.

Comic Fever carries a huge number of backissues ranging from Animal Man to X-Men!

Comic Fusion carries tons of back-titles for Marvel Comics, DC Comics, Dark Horse Comics, Image, Crossgen, Devil's Due, Dreamwave Comics, Independent comics and a special "First Issue" section.

Bobs Comics has both current and back titles, as well as signed and graded comic books.

X-World Comics not only carries old books, but also comic book reviews, columns and forums.

Badger Comics carries Archie, Superman, Batman, Green Lantern, Hot Stuff, GI Joe, Transformers, Vampirella, Spawn and Silver Surfer, among other comic book titles.

Comix Zone has an eBay clearance store where you can search for old rare comic books.

My Comic Shop isn't your comic shop, so hands off! LOL.

East Coast Comics lets you browse titles such as Punisher, JLA, Batman and Avengers.