There is always this hunt for a good and lasting primer. When i started playing with makeup, i didn't knew much and didn't knew about "primers". I own 3 different brands of primers for shadows and i use only one of them. One of them:
It is a brand that is starting to come out in Canada but rare to find. You can easily find a little stock in store at Sephora since i bought mine there.
This is my little entry on eyeshadow primers and i hope it gave you which brand you would like to try :)