That looks really cool, yes, the AX84 website has lots of great amp projects to build, there's a wealth of good info on that site and I have visited it quite a few times in the past, definitely one I could recommend adding to your bookmarks list.
Here's a link to the AX84 website for those who want to check it out, be sure to bookmark it if you find it interesting enough:
http://www.ax84.com/