Get the E1/JG unit, as low as $33 on the web shipped. Works as well as the new marui unit, better than the old one. I actually have a suspicion that it is the new marui unit, as the JG/E1 had been out for a few months when TM released there "New" unit. I will let you decide
E1 unit:
"New" Marui Unit:
I lol'd
I love my E1, works great.