Five patches with the A-172
(Edit: Navs has written about the A-172 several times on his blog)
Here are some of the ways I tend to use it (by no means an exhaustive list):
If you're handy with a soldering iron and want to roll your own, Yusynth offers a Max/Min PCB.
My apologies for the dramatically dark lighting. Shot in LED-Scope, Hollywood's newest craze!
The first three patches are in stereo-- headphones are recommended!