great deal my friend!! i have the fenix p3d for almost 1 year now,and it filled my needs(cycling with a bike mount,when the power goes off,searching in the fields,and much more)
i paid about 70$ and i dont regret it!
for 40$ you are getting a great light with 6 modes,good output and good...
hey first the ta21 isnt a 4sevens brand flashlight,it is fenix.also the ta21 can run up to 170hrs on 4lms as their official fenix website says.
http://www.fenixlight.com/viewnproduct.asp?id=45
also the IFE2 is rated at 345lms but i seen beamshots compared to the fenix pd31 which are very...