Here's my bench. It's mostly purpose-built for electronics work, but it resides in my garage. So it gets used for everything.
The bottom is a nice deep surface for working on large TVs. I built in two Waterloo toolboxes underneath with various electronics emblems on the drawers (held on with magnet-tape). The bench top is MDF, and I counter-sank a home-made swivel for my magnifier light. That way I can pop it off and still have a smooth surface. Ideally, nothing has a "home" on the bench top. I wanted it to be open completely for working on large TVs.
The top is a test fixture of sorts. I was motivated to build this because I was tired of the mess each of these items made on the bench top. I wanted one place where everything was built-in, connected, and ready to use, without junking up my bench top. The box has a 19" LCD in the center, with the input jacks routed to the patch plate on the left (there is also a tiny hole where the remote signal passes through). It is flanked by two 4" LCD monitors too. Why? Because I had them in my parts bin, lol. And it's nice to be able to test multiple streams simultaneously. I used plexiglass to cover each of the monitors, with back-painted black trim.
There is a large server power supply inside the cabinet to provide 12v and 5v to the banana jacks (this also provides power to the ancillary video devices). There are 4 4-ohm speakers wired to a terminal plate for testing audio devices. I can pair them up in series or parallel if I need 2 or 8 ohm loads too.
Across the bottom from left-to-right I have a SD-Card video player, it has 4 HDMI ports, a VGA port, a component and composite output too. This provides test videos for when I do burn-in testing on TVs. The second white device is also a SD player but it only has VGA and composite. I use this one for stills and test patterns. Then on the right is a small car amplifier that I use to test speakers.
There is a fan on each end of the cabinet to pull air from the nearby AC vent through the cabinet interior for cooling.
I have a couple blank plates in there for future expansion. I might add a variable power supply at some point. The monitor on the back wall is just for security cameras. And of course the trusty Tektronix scope on the right. There is also a PC in the rack to the right (not pictured), but that's what's displaying on the LCD (Will Ferrell's "You're Welcome America")
Total cost for me was about $150. I had all of the parts in my junk bins. The only thing I had to buy was the wood, the plexiglass, the two Waterloo boxes (black friday sale $35 each!), and the AV jack plate.
Sorry for the crappy cell phone pics.