Crankwalk definitely is an overblown issue. I personally would rather have a 6 bolt just so I wouldn't have to worry about it. It is definitely more common in the 7 Bolt 4g63 than most other motors.
IMO You could have a modded daily driver that runs in the 12's. After that you get below that you can't really have a daily driver.... at least not a dependable one.
Your Probably more of a VR-4 Twin Turbo Stealth/3000GT Fan Huh?
Those are pretty fast.