spartacus, try this thread
http://217.199.188.40/xmb/viewthread.php?tid=12210 , expensive yes but I'd bet it wouldn't be far off half of the cost of Part Exchanging your 749 anaginst a 999. Keep all of your origional parts when you come to sell the bike change it back to standard then sell the upgrades and get 50%ish of your chash back.