http://www.candlepowerforums.com/vb/index.php?

i would suggest looking around that forum plenty of info there.

P60 led dropins maybe worth looking at i have them in all my surefire 6p's. i like the p60 modules as they allow you to upgrade your lights cheaply. when out and about i carry a spare P60 in an old 35 mm film canister. dropins have a wide price range and quality range $10 to $100+.

http://www.opticshq.com/Merchant2/mercha...y_Code=Surefire

Cree Q5 LED conversion head for SureFire E2 series, HA3 natural finish. Output: 220 lumens Runtime: average 2+ hours Voltage: 3-8.4V (optimal, slight difference will have no detrimental effect) Price:$79.99

http://www.opticshq.com/Merchant2/mercha...y_Code=Surefire

Cree Q5 LED conversion head w/impact bezel for E2 series, Black finish with aggressive crenelations Output: 220 lumens Runtime: average 2+ hours Voltage: 3-8.4V (optimal, slight difference will have no detrimental effect) $79.99

turned up those in a quick forum search but for that price you can buy a good whole light.

spos i better stick in a disclaimer i have nothing to do with any of the companies above yadda yadda yadda