There are two problems kies not recognize him and inability to change the font type in Samsung SGS2 rom 2.7.27 Please solve those problems, the speed of
Kies will not work when you tangle with your phone (read: rooting, custom roms etc), you should be aware of that. Dunno what you want to use it for since that program sucks anyway.
Fonts will probably get solved whenever Miui have fixed their theming issues.