Well done.
Took the plunge myself too, as last units were being bargained. I had initial plans to purchase in summer for my son's birthday present, but got alerted by the price hike of upping to the 775.
A very limited pianist or keyboard player myself, I have been really amazed at the musical pleasure I derived from my first hours with this instrument. It vastly overwhelmed my expectations, beyond any other experiences with piano, synths, loopers, rythmbox, irealpro...
Enjoy!