Are you talking a custom or modded, or plain off the shelf?
I think stock off the shelf is probably the Inova T4
I also use a Gerber LX3.0 with NiMH batts and it works fine too so I suppose that might qualify as a rechargable.
I was looking at the L7 (and comparing it to the 8NX) and wondering what was available in LED with more than 75 lumens. So, to answer your question, plain off the shelf.
Am I correct that to charge the Inova you put the whole light in the charger, but the Surefire(s) charge the battery outside of the flashlight so you can use and chage at the same time?