I've dropped mine loads more than that with a case and it's perfect. My mate dropped his blackberry from the car door pocket, about 18 inches from the floor, and he broke his screen as it landed on the edge and the screen must of took the shock.
If the contact is for 24 months, I'd wait for the 5 else you'll be stuck for 12 months or will take a big hit on early upgrade charges.
If the contact is for 24 months, I'd wait for the 5 else you'll be stuck for 12 months or will take a big hit on early upgrade charges.