Ive got a Canon 70-200mm F4 "L" That ive used to great effect Gracy...
http://www.canon.co.uk/For_Home/Prod...200mm_f4L_USM/
I also use the Canon 300mm IS.
http://www.canon.co.uk/For_Home/Prod..._USM/index.asp
I want to buy the 2.8 IS and if i decide too, i will be selling both of the above. Not that anyone would care, but i thought i would mention it. ROLFOL