Here is my situation, I originally have 4 S26 and a S-Center (all Series 1). The S-Center recently and accidentally fell down from it 5' shelf and it now is dead. As such, I need a new center speaker that matches the existing ones. I also want to upgrade to 7.1. The S Series II are easier to find and mostly cheaper than the original series. If I purchase the S38II and S Center II and use them as the fronts & center in my current system, will that be a not so good idea? Also, the S310II is only about $100 more (per pair) than the S38II, should I get the floor standing ones instead? I admit that I am a novice when it comes to audio and I bought most of my equipments based on recommendations on this board. The receiver I am using is the Pioneer 811 (50 watts * 7) and I am using JBL PB10 as sub. I plan to upgrade the sub to SVS in the next 2-3 months and upgrade the receiver to one which has DVI switching when one is available. Thank you in advance.