Bought the Dewalt battery powered saw. The thing kicks ass! My dad and I used it a few weeks ago cutting up a dead Ash that the wind blew over. For a gasser, I'd go Poulan if your just using it occasionally. My brother has one and it works well.
http://forums.pelicanparts.com/off-topic-discussions/1106997-battery-powered-chainsaws-yikes.html