Originally Posted by Barchettaman

Best fo luck getting the seatpost out! Mine is stuck too, but fortuantely at exactly the right height for me!

there are lots of threads suggesting various methods to remove your seatpost:

-ammonia to dissolve the aluminium corrosion (ask a friendly chemist)
-heat the tube, freeze the post
-seatpost in a bench vice with the frame upside down, twist the frame (CAREFUL not to destroy the chain stays and seat stays)
-seat in a tree, turn frame (not sure if this one works)

or just cut it out.