Here's the gear I have right now:
Canon XTI with battery grip
Canon 28-135mm IS f3.5-5.6
Canon 100mm f2.8 Macro
I am looking for a 17-40 f4or a 24-105 f4 ISL to replace my 28-135. What do ou think guys ? Keep in mind that a 70-200 f2.8 L is coming soon too !