Ubuntu Box

My first ever Linux box goes into initialization and development stages tomorrow. I have acquired a Dell L550R and a Dell Dimension 2350, both which will be used for this project. The Dell L550R is a Pentium 3 machine which utilizes an extraordinarily small case. The motherboard is a microATX form factor which makes it easily to replace with the Pentium 4 board from the dimension 2350. After I make sure the system runs and fits in the new box, I will install Ubuntu 9.10, which was released earlier today. I'm hoping to customize the plain vanilla-ness of the L550R case with a more up-to-date look as well. Wish me luck!