My PC
As you may have already noticed, my laptop is a MacBook Pro. It dual-boots Mac OS X and Ubuntu 7.04. If you're wondering which one I like best - it would be Ubuntu but only by a slim margin. Mac OS X is quite nice, and there are lots of open source projects that have been ported from Linux (you can actually install a BSD-style ports system for it to install whatever Linux applications you want). However I prefer the control, level of customization and community involved with Ubuntu. You really can't say the same with OS X.
My MacBook Pro is one "generation" behind, meaning it doesn't use the latest and fastest Core 2 Duo, but it is still quite nice. It has a 2.33 GHz Core 2 Duo with 2 GB of RAM and a 256 MB ATI Radeon X1600 in it. It's quite fast (extra fast since I use Openbox) and handles everything you throw at it (even Folding@Home.)
On the software side, my desktop is quite simple. It's just Ubuntu 7.04 but with a custom kernel and the latest build of Openbox. No wallpaper or anything else.
Written by Rob Kerfia