That's a fine image
I think you have the wrong information about the 450D though, it doesn't have built in IS. Nor does any Canon dslr that I've heard of.
Canon chose to have the IS in it's lens range and have recently added a macro with IS
I don't know prices yet but it won't be cheap
Canon EF 100mm f/2.8L Macro IS USM - Canon UK Canon EF 100mm F2.8L USM Macro with Hybrid IS: Digital Photography Review