I've got the 450D, you're welcome to play with it if you want but I have different lenses (17-85mm f/4.5-5.6 IS, 50mm f/1.8 and Tamron 28-75mm f/2.8, I use the Tamron the most). I spent months looking into which camera to get and I'm really glad on the decision I made. I decided to get the 17-85mm lens instead of the two kit lenses but I haven't really used it since I got the Tamron. I'll probably sell it when I get around to it. Most of the reviews I've seen on the twin kit lenses are that they are definitely beginner lenses, and you'll probably want to upgrade from them fairly quickly.