This should be a fun thread. I'll start off with:

Archie Bunker's chair from AITF

Col. Blake's fishing hat from M*A*S*H

Maxwell Smart's shoe phone from Get Smart

Barney Fife's salt n' pepper suit from TAGS

Jack Benny's violin from The Jack Benny Program

Ralph Kramden's bus drivers cap from The Honeymooners

Dan Conner's blue Four Aces Drywall cap from Roseanne

Sam Malone's little black book from Cheers

The briefcases of Alex P. Keaton and Dan Fielding, embroidered with their initials of course, from Family Ties and Night Court respectively

Tootie's roller skates on Facts of Life

The wicker living room set on Golden Girls (would also love to have a lanai like they had!)

Gilligan's Hat from Gilligan's Island
Fonzie's leather jacket from Happy Days
The couch and the grandfather clock from The Cosby Show

The Beatles poster in Jack's bedroom and the butterfly picture in the living room from Three's Company

Jim Rockford's salt n' pepper sports coat & gold Trans Am from The Rockford Files

Sam's '64 Corvette and the Cheers sign hanging outside of the bar that they show at the start of each episode from Cheers.

B.A.'s van from The A-Team

Fred and Lamont's truck from Sanford & Son

The Knight Industries 2000 car from Knight Rider