1) Frustration is directly tied to hardware. If your computer isn't fast enough, you'll sit there as your program slowly loads in the new tool that you just selected, or watch your large brush stroke agonizingly crawl across the screen. If I'm going to really do this seriously, I need a new dedicated machine.
2) Frustration is also tied to relative familiarity with interface. It's hard to maintain the creative process while learning the interface and commands, especially if they're so radically different between programs, like Painter and Photoshop. I'm far more familiar with Photoshop, so some of the things in Painter just seem counter-intuitive. But I got the hang of it eventually.
I am glad that I went through this, and learned what I did. I'm not writing off digital media. It'll probably have its uses moving forward in some way or another. I picked up Painter pretty well and got it to do what I wanted it to do (still can't use large brushes or too complex textures or bristles though, computer just lags to a stop). So the tablet is nearby, accessible when I need it to do certain things.
But lately I've been back in the traditional, with a renewed focus, taking everything I've learned over the years and trying to really get to that level that I've been striving for. I'm not even sure if I want to do it professionally anymore, because of how much I hate the whole self-promotion gristmill. I mean, if the stuff gets noticed, and somebody wants to use it, or use me, then by all means let's get to work... I'm no stranger to the business, from an art director's and a contractor's perspective. But I've found some pretty cool self-fulfilling activities, working for my own projects and also for a few extremely nice and cool clients I happened to trip over along the way.
If I had things my way, in my own little ideal world, the work would speak for itself and I wouldn't have to promote anything. But we all know that's a pipe dream. Nevertheless, that would be ideal.
So I'm back to sketching and drawing and swimming in real paints again, loving the immediacy of full-contact creation, the feel of pencil on paper and brush on panel or canvas. Very satisfying... liberated even, going back to what I'm confident with and attacking it again with renewed focus and vitality. I've got some pretty cool things I'm working on that I hope to share pretty soon.