I'll second Santan solar. shipping is definitely cost prohibitive on just 1 or 2 panels. we ordered 6 of the 435 watt panels at $200 each and paid $220 in shipping total. that was just over $0.50 per watt, and we wanted those panels as they are some of the largest available and have a very high efficiency. meaning more watts per square foot, considerably more.
depending on where in the country you are, you may be able to find other companies or groups selling at good prices. there is a guy in northern nevada that advertises on craigslist and usually has 295 wat panels for around $0.45 per watt but is pick up onl, he will not ship at any price. i have also seen a company selling out of the san fransico bay area that gets in big panels from time to time, they also advertise on craigslist. i saw another company in the redding area of california.
i forget the name of the company, but i also found a company that was selling new 385 watt 60 cell panels back in like Massachusetts or that area for around $0.65 per watt
if you are interested in any of them, PM me and i will go back through my records and try and get you contact info if you cant find them online. also just try craigslist in areas near you