I’ve been spending some time with a low-cost PicoScope device, and wanted to give a review in case you’re looking at one. To begin with, you can check out my Circuit Cellar Articles about selecting a scope.
There’s also a video version of this:
Introducing the 2200 Range
PicoTech’s 2200 range is a compact oscilloscope, if you want all the details check out The PicoTech Website. Presumably you’re interested in my hands-on experience instead though, so I won’t duplicate everything there.