get boxxer wcs or boxxer rc3 evo ti, direct mount stem( just one less thing to twist if you fall and its saves some weight ), get lighter rims like wtb freeride ( just an example , also cheap / strong ) get a ti coil for your back shock. all that could save you about 2 pounds.
I've got a set of 729s- cheap and they take a beating!! What year are those forks? I've heard they revamped them in 2011 to bring the quality back up to par with the old style italian-made ones! 888s are heavy, but they also house upwards of 200ml more oil in each side versus the likes of the 40s. I've always liked the old 888rcs man.... Sick looking bike though!!
cuz down seat post if you haven't, maybe put a marz 66 rcv or fox talas....if you feel you don't ride hard/big enough to justify dually's, maybe lighter tires...tubless?
How did you get it so light?! My flatline is 44lbs:S Weight is really towards the end of my list of concerns haha. I love knowing my flatline will outlast a session 3 times over