Most importantly, I've been able to increase my practice time, which will ultimately bear some production fruit.
I've been working out some pieces, this time actually mapping them out, rehearsing, the whole bit, before recording them. This gets around the problem of playing-and-forgetting, which I used to have happen all the time, although a basic recording isn't a bad aid to memory. It's an interesting process, and while I'm butting my head agains some other limitations, I'm playing better than I have in ages. (Part of the problem is my technique evaporating when I'm working on those long sustained-tone pieces.)
I am, however, developing ideas for a piece incorporating both the Web and music, and finding a way to make it interactive, and participatory. If it gets clearer, you'll see it here.