So this weekend I am going to part with some of my hard earned cash. I am looking for a surround sound amp that I will use with a set of FS2's and have narrowed the choice to either an AVR100 or SR4200. The way I see it the AVR100 probably has the better component set but the SR4200 supports Prologic II. I will use the setup 50/50 for music and movies and have alot of MP3's on my PC that I can output via S/PDIF and so use the amps internal DAC for decoding. What is you guys experience of these amps, what does anyone think I should purchase? Help gratefully appreciated, Chris.