Regarding the archer I recommend the following link:

http://www.larian.com/forums/ubbthreads.php?ubb=showflat&Main=52674&Number=541623#Post541623

Topic is old and closed but should give you a conssiderable amount of insight regarding a focused bow user.

Regarding to rogues I recommend the following link:

http://www.larian.com/forums/ubbthreads.php?ubb=showflat&Main=58407&Number=550353#Post550353

Topic is old and probably closed but should give you considerable insights regarding a rogue.

In both topics I made an attemtp at an elaborate reply, so loads of stuff to read.

If you have any questions after this, feel free to ask!

With kind regards,

Rashar.