Here's a video my friends and I did as a joke. Now, I understand it is very poor quality. We had a computer microphone, some headphones, a point and shoot camera, audacity, and windows movie maker. Do you all have any suggestions on simple, cheap ways we could improve? Because we had a good time...

Thanks so much everyone, I think I'll go with the ABX. 

The Onkyo seems to boast of the SBX-300's bass capabilities, while they boast more of a precision sound on the identically priced ABX-100. As a fan of classical music and classic rock, do you think I would be better advised to go for the ABX? 

Thanks for the answers. I feel really stupid asking about the center speaker now .    Sorry to bother you guys with this kind of simple question. I have been searching all over the internet, but I don't know all the terms, so it's generally hard for me to understand the results that I find...

I'll start off by saying I have no experience with audio equipment. I'm looking to spend under $200.    Is it reasonable to buy a center channel speaker to use with an iPod? How would they be connected?    Or what might be a better question: what is the best setup for an iPod speaker...