Other Related Users:
(I don't know if they have MorphOS machines or not)
http://twitter.com/ikepgh (author of AmiTwitter)

I recently purchased a Mac Mini 1.5 to run MorphOS...but it won't be until next year when I get to use it (and purchase MorphOS) since I'm in Europe and it's in the States. I do, however, plan on supporting MorphOS with AmiTwitter (and developing other apps) in the near future.

IKE