I'm also on the Sai train. I've never used any other program for drawing.
(I tried photoshop once but I tend to only use that for animations and other
There are some artists on dA that will give cracked versions of sai away with tons of
custom brushes that they've made and whatnot already included. that's how I got mine
and I've had it for a few years now without issues. shouldn't be hard to find one with a
quick search. ( I don't remember who I got mine from, sorry. D: )
A lot of people love Sai for the one thing. /had to open up the program to find the word.
The stabilizers. It helps keep your lines and stuff smooth. I don't use them, because I
never knew what it was for and kept it at 0, and i'm a dumbass for that, but I mean IF YOU
NEED HELP keeping smooth lines, that's a good feature for you.
I hear GIMP is pretty good if you're willing to play with the settings often until you get it
just right, but I don't have much experience with it. I briefly used it back in 2009 for
animations and switched to photoshop soon after.