I agree!
Book #1, especially is the least time-consuming; it could probably be read in just a couple hours! So it's not like it will take up a significant part of you life- that is, unless you get hooked, then it will become extremely time-consuming! LOL
If I can be converted, anyone can! I was actually ANTI-Harry Potter for various reasons, but then my roommates convinced me that I should give it a shot, and was QUICKLY addicted. I think they are nearly just as aimed at adults as kids, especially as the books are getting darker.
Anyway, just give 'em a shot! If book 1 doesn't hook you- fine, and it won't take up very much time to read.
