i recently bought some acsend 170 ses for my 5.1/stereo setup. my use is 50/50 for ht and stereo. i have a 340 se center coming soon and eventually some 200's for surround. i currently use a pioneer vsx-d514. just a basic receiver. im a newbie to high quality audio equipment.

I know next to nothing about receivers, integrated amps, etc. what are some options for upgrading my receiver? im mainly wondering what are the different routes i can take to better power my acsends. any help would be nice

andrew