Please help with difference

[sam520]

I want to by a HBB and they seem to use 2 main movements. One uses the 7750 21600bph [http://asian7750.com/cn/product_show.asp?P_id=1690&ti] and the other uses the 7750 Valjoux movement [http://bbhaven.com/product_info.php?cPath=9&products_id=76] . Will I be happy with either movement or is one going to give me trouble while the other will last longer and give better service? I am wanting a trouble free HBB and would APPRECIATE any and all help. THANKS!

[fakemaster]

I would go for the 21,600