Sorry guys, I had finals and couldn't post for a while.
To answer your questions:
hey123- all of the skills' damage goes up with MA. To get a better idea of the exact numbers, check out Minty's guide. Some of the skills' power levels are different in eTrickster, but I'm pretty sure the formulas stayed the same.
http://www.mytrickster.net/forum/mag...eep-class.html
angelsheep- here is a link to the magic type character sheet for kTrickster:
http://game3.netmarble.net/cp_site/t..._job_magic.asp
jmadeline- Aurvandil summed up the differences very well, however also remember that higher luck means higher critical chance as well.