It is better then the 18-55, it focus faster, and just a tad better in IQ, and the AF it a bit more accurate. The kit lens is very sharp for as canon make it optically very good.
Super Frequent Flyer, no joke. Ex Patriot and loving it.
Canon Eos 60D, T1i/500D, Eos1, Eos 630, Olympus EPL-1, and a part time Pentax K-X shooter.