Should?? Well, you're in Flashaholic land, so of course you should!!
Really, though, what are you looking to gain?? Runtime isn't going to be nearly as great as a real L4, brightness depends on if you're in regulation or not and that depends on the particular head you're using and the battery you have.
However, according to your signature you have an E2e. I say heck, pick one up, you can use it on either one and see what you like best..