Pranceatron's Links
'80's toys for sale
Now listed alphabetically, I've given a bit of a description for each.  I have NOT dealt with most of these people so I'm not technically endorsing anyone here.   But get to them before everyone jumps on the Ebay train!

Fan-pages
for lots of pictures and identification of '80's toys.  Most are ones that I frequent personally.

'80's toys for sale
Anime Jems
Bobby's Toys & Collectibles
Cherry Bomb Toys
Chipmunks Matinee
Collector's Connection
Diane's Toys Dolls and Collectibles
DNB Dolls
Doll Lounge
Doll Mama's Den
Donna's Collectibles
GiGi's Dolls
Magic Toybox
My Favourite Doll
Recycled Toys
Squirrel Haven's Antiques and Collectibles
Strawberry Central
Stuff U Crave
The Earth Collectible Toy Mall
The Toy Heaven
Tina's Treasures
Tons-Of-Toys
Toyadz
Toy Archive Sales Page
Toy Catacomb 
Toys Galore
Toys of Another Time
UK Toys for Sale
Vintage Lane
VNC Toys
Fan Pages (Great for identifying & reminiscing)
80's Toys Encyclopaedia (Overview of pretty much every 80's toy made)
Aikarin.com (My Little Pony)
Alex Bickmore's SUPER TOY ARCHIVE (Several '80's-'90's "boy" toylines catalogued here, including some obscure ones, plus a sales page)
Andorou's Pirates of Darkwater Page
Baby Face Dolls.com
Berry Cute Site
Bratz World
ChipmunkMania
Chanth.com: Charmkins ID page
Cobra Island Toys (GI-Joe, Transformers, Battle Beasts, M.A.S.K., Go-Bots)
Crissy Collector's Homepage
Darah.com: Beautiful toyguides for lots of 80's female action figures (Jewel Riders, Fairies of Cottingley Glen, Tenko, and more, obscure lines too!)
Doll Info.com
Doll Reference (Good overview site, including pre-1950's era dolls.)
Dream Valley: A collector's Guide to My Little Pony
Duke's Nostalgia Mostly "boy" toys.
Dusty - The Fashion action Doll
Fairy Tail Friends
Fashion Polly Identification Guide
The Fillie Catwalk (Fashion Star Fillies)
Furbaholic (Furby)
Gargoyle's Collector's Archive
The Get Along Gang Collector's Page
Ghost of the Doll  (Many '80's toylines ID'd here, definitely one of the best sites out there!)
He-Man.Org
Hello Again Monchhichi
Hmmmk's Toy Box (Features some more obscure '80's toys- Nerfuls, Playground Kids, My Little Angel, etc.)
Hot Looks
Jammie Pies
JEM vs. PRANCEATRON
Karen's Toys
Kitty Kitty Kittens
Merry Muffin Land.net (Cherry Merry Muffin)
My Child Workshop
Kenner.com
Lady Lovely Locks Kingdom
Le Petit Monde de Fraisinette (Strawberry Shortcake)
Littlest Pet Shop Guide (Follow the links to other ID pages on Baby Buddies, Popcorn Pretties, Bitsy Bears, Kidgetts!)
Marissa's My Child Dolls Website
Mego Central
Mego Museum
Mel Birnkrant's Photo Album (Baby Face, Oodles)
Mimi & The Goo Goos
Mint Tulip's Garden Party (Strawberry Shortcake)
Monster In My Pocket Collector's Archive
Moondreamers Identification Page
My Little Pony Picture Scrapbook  (UK My Little Pony info)
My Magic Genies
Only Polly Pocket
Plaid Stallions: Lots of fun vintage catalogue photos here.
Ponyland Tours; Great MLP accessories information.
Popples Product List
Rainbowland (Rainbow Brite)
Raccoons (The Unofficial Guide)
Sindymania
Tabby's Page of Miscellaneous Oddities (One of the greats! My Little Pony, Fashion Polly, Fairy Tails, Furrever Friends, Keypers, 'Koosas, Lady Lovely Locks, Little Pretty, Littlest Pet shop, Magic Meadow Ponies, Precious Places, Puffalumps, Purrtenders, Smooshees, Tea Bunnies)
TFU.info (Transformers)
This Old Toy (Fisher-Price)
Timeless Trinkets (Smurfs)
Titi-Chan in Wonderland (lots of 80's toys)
Topper Dawn Doll Archive
NinjaTurtles.com
Totally Jem
Toy Collector's Reference Page
Transformerland
Vintage Puppy Surprise
Vintage Toy Encyclopaedia
Watergirl's "Little Pretty" Page 
Where the Rainbow Ends; Best place I've found for My Little Pony G3 collecting, also has G1 & 2 info & checklists.
The New Unoffical Wuzzles Homepage
www.wuzzles.net
Yo Joe