I like Kohls the best too.. I've tried using liquid liner but i can never get a straight line. I've had some disasters trying to use it! I'm sticking to MAC Kohl liner's for now but i don't think they last very long. I usually apply mine twice a day
I like pencils too - Usually I use the kind that twist up (no sharpeners needed) or the "cooling smooth" ones in pencils - Maybelline & Covergirl have good ones. I also like the cream eyeliner by Smashbox. They go on really well.