1) OK - best farkle - hands down must-have mod for me was a GPR steering damper. OMG - completely different bike after that. It was a total pig before and I imagine your tank slapper story is not uncommon.
2) Answer to the KTM v BMW muse..... do like I did and buy an orange BMW
Check out the pig with a steering damper in action at http://www.youtube.com/watch?v=ZEJix3foLuQ