Two small mains?
Try a pair of NHT Super Zeros. $87.95 each at www.onecall.com
Fosgate Audionics FA51.0, $150 per pair with free shipping at www.soundcity.com
, a matching center channel is available for $109.
Velodyne CHT-14, $119.99 per pair at www.etronics.com
. Matching center channel is less than $100 but is out of stock.
Personally, I'd rank these in the order of NHT, Velodyne, and Fosgate. I don't know much about the Fosgate but it looks to be well made.
The sub is going to be tough for an on-line purchase unless shipping is free. There is a Velodyne 10" sub on etronic.com for $150 and you can use their shipping calculator to find out how much it will run you.
They also have an Acoustic Research 8" sub for $130, and a KLH sub for $85.
Best Buy has a little Sony 8" sub for $100. Anyway, that VX-10 for $150 is a great deal and that's what I'd go for.