I can't recommend any, but Newegg has some: http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100008609 8000&IsNodeId=1&name=Newegg Based on my experience with a netbook, I would stay away from Asus products but the others might be worth looking into. I'm pretty sure that Best Buy has them as well.
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=8324495&CatId=3634 That one should do just fine. $34.99 after rebate.