1- i have a XF Beta 3, and there's 9 Categories in it and when i want to move one of them 1 or 2 steps up or down it just don't do it, it's like there is a MySQL to PHP connection problem .
2- i thought that XF was for all people, well here's a newsflash 40% of the Eastern side of the Earth is still using slow Modem connections because of some nations and goverments issues .
at first thank you very much for considering my bug report.
2- you're fully right !!, XF is the the lightest but it is light using Ajax or jQuery which are both practically the same thing with reupdating the page.