Speaker for NAD C320BEE


Dear Audiogoners,
I have recently come to the hobby. My setup now is,

NAD C320BEE integrated amp (50 wpc)
NAD C521BEE CD player
Acoustic Energy Aegis 1 monitor speakers
Velodyne powered sub (80 watts?--it was $300 at the mall in 2000)

I'm looking to spend no more than $600 (new or used) to upgrade speakers. I would like a good all-around speaker--jazz, folk, rock, classical. The Aegis 1s are very good for some things (folk-rock, jazz), but not so kind to thicker music (e.g., Soundgarden). I am just starting to look around. So far have considering PSB (new, maybe Alpha T) or maybe Totem (used Rainmaker). Any suggestions greatly appreciated. In particular,
-Can I get new for $600 better than what I have now?
-monitor versus floorstanding given budget and amp?
-Is my sub worthy of pairing with good (c. $1,000 new) monitors?

Thanks!
abarnett
psb is a good match with nad electronics. totem makes a fine product but is more power hungry than psb.
Post removed 
Bob, thanks for your reply. The sub is a Velodyne CT80; I am using the sub's crossover, set at about 80Hz.

To make sure I understand, you suggest I unhitch the preamp from amp section, and run RCA cables to an Aegis sub, and then back? And with a Aegis sub this will get me sound significantly better than what I have now? Even if the bass were better (and better integrated) wouldn't the whole upper range be the same?--Alex