I am more partial to Echo1 because I have had few problems with the ones that I've come across and used. For a decent price, you get an A-Class machine that will tear some things up. Though I will say that I have heard some decent things about A&K and I have used one of their M249's, and that wasn't anything to sneeze at. I cannot give you a vote with 100% confidence, but I will say that no matter what, you will end up with a great gun. My vote is for the Echo1 though, due to the great past that I've had with their products.
ya isee were ur coming from and my friends have some echo1's and they like them.but the m249 would take alot of covincing to my parents cuz they cost alot more. even though i pay with my own money.thx for the vote