Side projects include: Ambeon, Star One, Strange Hobby and lots of others.
As a sidenote this band can also be going into the Metal Genre.
P.S: I dont understand what happened to Ayreon _after_ the final experiment, oh well... If anyone can tell me what happened!
1996 - Actual Fantasy
1998 - Into the Electric Castle
2000 - Universal Migrator parts 1/2
2004 - The Human Equation parts 1/2