There are packages for Ubuntu 10.04 and for the upcoming 10.10, yes - the last SS version is from 2009 - now spankin new, but not outdated, and the packages are always kept fresh.
Thanks, I figured it out the installation in Ubuntu (it has both SS and Sunflow packages, I only had to give Sunflow parameter to use more memory in the launcher/Java heap)
Btw, how do you combine SS with Sunflow? (link to a blog post/how-to would be helpful :))