Originally Posted by Slodin
king arms full metal would be a good compromise. So you can get a full metal body for around $250 new (which is just a bit more expensive then a G&G). Now if you want to upgrade then you can later, if you are okay with stock, just keep it as is...
While not perfect, KA is a good starting point, pretty standard in terms of parts, decent out of the box and a metal body.