For those who would like to improve in Chinese, here is a link I found and that may can help :
http://www.sexymandarin.com/Well, as the name says, it is "sexy", the aim is to help people who want to learn or improve Chinese.
I did not try yet, just because I am at work.
I don't know if that could be really useful, but one question :
Will your wives be angry if you try to learn only one lesson? ^____^'