Buy it!!! Don't even ask twice, just buy it!!
Why am I so sure about it? Well, have a look on this http://advrider.com/forums/showthread.php?t=849130
That's a loooong ride man, no complains at all and still on the road. Have it since I bought the bike, year and three months ago and 46.000 km latter, I sure can tell you that seat works!