do you guys feel that 24mm is wide enough for the 5d.....The reason im asking is because im about to purchase the 17-40mm lens and plan to get the 5d next month....But i tend to shoot a lot of artists in studio environments and most times there is very low light.....My 24-70mm 2.8 handles it very well but i am cut short on width sometimes because of my 20d.....I think the 5d would solve that problem but i just need to be sure....thanks

