I wouldn't bother with the SP1, really twitchy fueling and the throttle can be a bit of an on/off switch, obviously nothing a PCIII wouldn't sort but I'm a firm believer in the basics should be right from day one, if you have 749/999 money then you have SP2 money which doesn't have any of the SP1 issues, thats where my money would go in this instance.

Altenatively, your budget opens a whole host of Aprilia Mille options including early R's, might be worth dropping Guido a line as he has been using his dads Mille a fair bit of late ..... the slightly bigger size may make you feel less cramped ....

Hope that helps ....