Hello,

I play keys in a band which for the most part plays "jamband" type music, mostly improvisational rock. (think of Phish)

I have a Yamaha P120 digital piano currently for the great piano feel (I'm picky about my piano feel) and it also has spectacular other sounds (rhodes, wurlitzer, organ, clav)

Now I need something to create all kinds of tripped out weird effects and synth sounds for our original music and any covers we feel like doing. So what I'm looking for:

- should have <88 keys (for portability, weight)
- doesn't need weighted keys
- doesn't need good piano sound or other "authentic" sounds
- should have loads of preset sounds
- should be able to program other sounds
- pitch wheel
- MIDI stuff (duh)
- less than $500 hopefully

Some other decisions:
- As for analog vs. digital synths, I don't think I'd need something with analog controls. I don't understand all those knobs and waveforms. Willing to take suggestions though.
- Also, here's a question. My P120 has MIDI In and MIDI Out. Would I be able to play keys on my future keyboard and have it connected to the P120 so that it can play with the sounds from the P120? (I want the feel of the non-weighted keys with the sound of the P120)

I've read about the Roland XP series, the Yamaha S series, some about Alesis. Korgs might be a bit too much for what I'm looking for. Any suggestions on those brands or others?