I got an XML with my 40 SC package a couple weeks ago and liked it, but I broke down and bought an Insight X2L (same light, but with integrated laser). Salt Lake Optics had 'em for $218 plus $6 ship, and I couldn't resist. Footprint is virtually the same as the XML. It just came today, so I haven't shot with it yet...can't wait.
http://www.saltlakeoptics.com/
I may be selling my near-new XML (only been on the gun 2-3x, only shot with it once), but haven't decided yet as I may get a XD45 at some point. If you can swing the price diff, the laser and adjustable beam width (XML width is fixed) make it a compelling value, IMHO.
Edited to add: the beam brightness of the XML and X2L is the same at ~40 lumens. Also, there are NOT separate controls for the laser and the regular flood, if that's important to you...both come on at same time. The switch is well-placed, ambi, and it's easy to choose momentary or full-on without looking or diddling.