As far as I'm concerned, after my experience with Streamlight (excellent customer service, very crappy product) I will never buy from them again. Inforce's offerings are new, and are looking pretty good. If you can swing it, get a Surefire, otherwise take a chance on the Inforce.
"Throughout history, it has been the inaction of those who could have acted; the indifference of those who should have known better; the silence of the voice of justice when it mattered most; that has made it possible for evil to triumph."
-Haile Selassie I