One day when I was blogging I seen on one of the blogs that Copic was going to have a certification class, so you got it I signed up. If you ever get a chance to take a class with Sally Lynn MacDonald she is just great. So very knowledgeable and informative. I glean so much in techniques from her I think my head will be swimming for days if not weeks. Also, if you have never tried a Copic marker you need to, I can assure you when you do no other marker will look the same.
One last thing - always buy your markers in threes: we were told buy your favorite color and than buy two friend one for each side of the favorite and at least 2 color difference in the numbers. For instance my favorite might be B14, I would then buy a B12 and B16. Remember though to always enjoy stamping.