the socom gear is a g&g I think and with g&p you're getting into more money. I have a fondness of v3 gearboxes... the ease of disassemble and service is far more attractive. I don't like v2s cause they're harder to work on. But that's just me.
Also, g&p gears can be flakey... so they could break on your first game, or they could last for a while.