Since when does a Supra own drag/top-end? I have yet to hear of a Supra pulling 1.2 second 60 foot times. F-bodies do it all the time with slicks and a mostly stock suspension setup (meaning it's still a solid axle setup with lower control arms, a torque arm and coil springs.). I would like to see a Supra pull 1.4 seconds with the IRS it has.
Topend? Please, the long gears of an LS1 T56 and a equal HP LS1 will hang just as will if not better up top.
I used to be with ya. I loved Supras, Skylines etc. Thought they were far better than crappy V8s with no topend. Then I got a couple years of driving experience and rode in a stock GT Mustang and realized what my Supra was missing for low-rpm torque. I have a friend with a 2000 WS6 that we recently put headers, exhaust, a lid and a BMR torque arm on. That thing is lots more alive then my 7M ever was.
About drifting, you didn't put the brake option into the poll? I am not a drift fanatic but my ex-roommate was and so were his friends. What about brake drifts? Thats what I would almost always do, much like an e-brake drift except with the service brake. Also, if you have ever tried to slide any of those typical drift cars you'd realize power to break loose is not what the Supra lacks, for they have less. The real advantage they have is inertia. They are lighter and smaller, they can change direction quicker. They can break traction and re-gain traction faster.