Adventures in Backwards Compatibility

One of the reasons I thought the Xbox 360 would be a good purchase for me is because I don't own an Xbox, so even if the 360's library is a bit thin right now, I could delve into the offerings in their backwards compatibility. Only now am I realizing that all is not fluffy clouds and perfect pixels when playing an Xbox game in your 360, whether or not it's supposedly compatible. My "fun"…