I'm looking to put together a straight-through shoulder rig for my GH2 that has the same footprint as a traditional shoulder cam (think VariCam). I want to be able to build it with a mic pre-amp and a couple of radio receivers on the back and a matte box on the front to go straight from my shoulder to sticks. I'm using Canon FD lenses which are fairly heavy so I will probably need to counterweight at the back with either weights or eventually a power system. Oh yeah, and I want to keep the cost down which puts the Lanparte and other big names out of range for me. I was hoping to keep the cost below $300 (I already have the matte box and don't need follow focus). Any advice? ( I know - dangerous question on a forum, hah).