Not in particular order.

1. Optimus Prime
2. Ironhide
3. Wheeljack
4. Grimlock
5. Bumblebee
6. Jazz
7. Blaster
8. Omega Supreme
9. Jetire/Skyfire
10. The Aerialbots

Obviously skewed to pre-movie era.

Edit......ahh crap should have read the whole lot of the first post.

Man, seriously I think a pile of MP figs could slot into the 10 possie.