Consumer Reports/Blenders Advice
Blender Reviews from E-Opinions
Those two sites should help you out for features you are looking for...
I'd probably steer clear of the ones on the Infomercial, things are rarely as good as they appear.
I've had a Waring Pro bar blender for years that makes awesome frozen drinks, and smoothies as well - it blends everyhting
-plus it's great for soups and stuff - it's not got a lot of bells an whistles, but it's a blender, not a nucleur reactor.