Quite possibly one of the fastest Lamborghini Gallardos in the planet has been put up for sale on eBay. Built by Underground Racing in Charlotte, North Carolina, this twin-turbocharged Gallardo develops over 800HP. If you're interested, the 'Buy it Now' price on eBay is $225,000. Even if that is way over your budget, you still might want to hit the jump to check out a few videos of the power-crazy Gallardo in action.