I just got mine today. I honestly think if I could only have one lens this would be it (on a crop body). Perfect focal length for running around the house and the 1.4 is amazing. Turn a lamp on and you have decent SS in a shaded home.
I knew I would probably get rid of my 18-55IS/55-250IS combo once this and my 85 1.8 came in, but quite honestly, I seriously wonder how much time my 24-105 is going to see.
Yes, it is that good!
My 85 1.8 is due tommorrow. If it is anywhere close to the 30 I will be in heaven!