I ride with the Profile Design Jammer GT aerobars. They are designed for a road bike, so that you don't have to make really drastic changes in seat position. They are a shorter style bar, with extensions that curve up and inward. They offer a lot of adjustability, too. I know lots of folks swear by the T2 bars, but personally, my wrists would KILL me, in that position...it's a very unnatural wrist position, IMHO.
http://www.profile-design.com/profile-design/products/aerobars/aluminum-aerobars/jammer-gt.html