About a year and a half ago I got a 3/4 hp SuperPump from these guys:
http://stores.ebay.com/BACKYARDLIVIN...enameZL2QQtZkm

$235 + $24 shipping.
Prompt delivery (despite UPS' best efforts) and nice folks, judging from the emails betwen us.

BTW, my pool's nearly the same size as yours (33x17, 22K gal.) and the 3/4 does a great job.

Chuck