i was most definitely in the same position. nothing has motivated me more in trials than purchasing my inspired hex. without a doubt the best thing i could have done. (except now it f*cked my ankle). i have new goals, aims and thing i want to progress. and more importantly, i am sh*t at trials again.
it may sound weird, but its true. being rubbish at trials again spurs me on to learn and improve. Something i definitely lost when i rode longer bikes in my older TGS style that people knew i rode.
if you are after the speed aspect, as ali said, get a shorter bike, pump up your tires, and get your ar*e into hitting some kickers.
i will never ride long bikes again after riding my inspired. so much fun