Agree with pretty much everything you are saying. G&G's cheap £150ish are not bad starter guns but a lot of their other stuff is not great. Yes it can seem like you get a lot for your money with all the bells and whistles, but to sell stuff cheap you have to make stuff cheap.Im not interested in an etu or mosfet I can add those myself and use better ones than G&G use without spending a fortune. The most important thing to me is quality and some manufacturers seem to care about that and build guns that are solid and reliable which is what airsofters really need.
At the end of the day the most important thing is that when you pull the trigger it shoots and shoots straight, and that you the user has confidence that it will do that over and over again.