All I can comment on is the Sub. I have the smaller S8 from the AVP100 system (AFAIK, the AVP305 uses the S10).
Its crap.
Boomy, sloooooowwww and completely useless with music. Can't wait to to upgrade it (will go in my bedroom - relegated to xbox/ps2 duties).
Thank God I only paid £80 for it....