"So is that mixer (808s) the amp and equalizer/preamp in one nice package? And with some speakers, all I'd need is a CD player or something?"
Exactly. I was surprised to find it also has a built in compressor and digital effects (reverb, echo, flange, etc.)
It's not that heavy, and the rear...
Have I got the system for you!!!
A killer powered subwoofer and speaker setup is at the Mackie Web Site .
This is their powered subwoofer. There is a link at the bottom of their page to the SRM450 powered PA speaker. They also sell a pole that inserts in the sub and supports the PA...