I am not so sure that you can use the 2007 KOP BaneBots Gearboxes on a legal 2009 FIRST robot, we looked into it but decided that rule R-32 prohibits this course of action.
Quote:
<R32>
COTS ITEMS from ROBOTS entered in previous FIRST competitions or COTS MECHANISMS that are no longer commercially available may be used under the following conditions:
B.
The item must not be a part custom made for the FIRST competition and provided in the Kit Of Parts for a previous FIRST Robotics Competition (e.g. 2006 FRC transmissions, custom-made motor couplers, custom sensor strips, 2006 IFI CMUcam II modules, etc. are not permitted),
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Its a pain because we have 4 or 5 of them collecting dust... Either way, they are a robust piece of kit (unless you drive them with 2 CIMs each at a huge hunk of Aluminium and smash straight into it repeatedly...

). The P80s look okay and the GEM 500 does too if you can afford them.