I've never been impressed with the feeding of the Eggs. Sure, in drop tests they are faster than a revvy, but in actual use (with a non-vision impy in my case) I have to be just as restrained on the trigger as when I'm using a revvy (and no, my fingers aren't that fast - I shoot maybe 14bps when I get my rhythm going, maybe the odd double-tap works out faster than that.) With a Halo, I never have to worry, I can just rip on the trigger and not worry about a thing. Reliability has been a big problem with Halos though, now I always carry my old revvy as a back up just in case.