Well the new project (now named "Magnetic Gliders") is coming along faster than I thought it would.
During the last few days I have had a lot of fun digging up old knowledge in physics and math and so far I haven't run into any major problems. The whole server/client interaction part is finished and I'm currently working on the visual part of the game.
Here's a very early picture, there are still a lot to add. Sky, more ground, a map, some data for the player and possibly some changes to the glider's mesh. But just to give you a picture: