i bought umobile prepaid card previously, juz for the sake of testing it. coverage is not dat good. and one more thing which i find it a hassle, is when u wanna to buy the reload. i know there's a lot of 7eleven here in KL. but, most of telco shops does not sell umobile reloads.
wat a hassle.
one good thing is, umobile centre is always empty. try to go and see to their outlet in Jusco AU3. empty! hehehe. no need to wait.