Flintoff is far and away our best ODI seamer. Despite being crap in Tests, Anderson has an excellent record in ODI's. Lewis can usually be relied on for 1-40 off 10.
I quite like Dalrymple. Seems a good competitor, and his off spin is improving rapidly. 2 years ago he was being talked about as a potential England player purely because of his batting. Now he's probably our second best spinner after Panesar.