I am LEO and I carry Surefire 6P with Malkoff M60 LED drop-in module. It's a great combo... compact, bright (230 lumens), and great run time (1 1/2 hours), and won't break the bank.
If you want a rechargeable setup, go with the Malkoff M30 LED drop-in.
I can also recommend the Bianchi...