Hey man,
I had about the same $ amount in mind when I started a HT replacement. I bought one year old speakers. Ksf-8.5's, sc-1, ksw-12, and sb-1's. I bought a new Yamaha rx-v630 receiver. I have no regrets about any of it, although I am still looking for a rear center speaker. It is just enough to let me know how nice a Klipsch system can be and to want bigger, stronger, faster, etc. (Calm down and be happy with what you got (for now)). If you get a chance, compare the Yamaha HTR series with their RX-V series.
good luck