Should I refinance my home if I plan on selling it within 2 years?

I have a ,000 home loan at a fixed rate of 6.75 for 30 years. Right now my payment is 0 per month. This does not include my PMI payment of .25 a month. I plan on making this same payment after refinancing, but applying the excess to the principal. Would this be beneficial to [...] http://bit.ly/ovptzc