I have heard it described like an automatic transmission vs a stick shift. Both of them have there pros and cons. I'll just take one(or more) of each please! The Vamo was a great mod for me to start with but now that I know more about what's going on I can't wait to play with a mechanical. I LOVE the fact that they are affordable, simple, durable, reliable, and like IMEDIC said, no holds barred!
BTW, I ordered the brass M16 this morning. Planning on making it a daily driver if I can. These things are just too sexy to get banged up!