Im trying to decide on a home theater setup, and i just keep fining so many options, it isnt funny. anyway, my budget is $500, ive already got a denon 5 channel reciever, 75w x 5rms. here are my options.

Hsu Ventriloquist ~500
HTD level 2 center, either onix elf or level 2, cheap rears, and a sub ~ 500
earthquake 5.1 ~300
dalhquist orbit 5.1 ~300
onkyo sks-ht510 ~ 200
onix elt and els ~ 500 ias 2 powered 8 inch subs built in the towers.
some other option...

please help me