I think i'd have to say the powerbook on both counts.
* Height: 1.1 inches (2.8 cm)
* Width: 13.7 inches (34.8 cm)
* Depth: 9.5 inches (24.1 cm)
* Weight: 5.7 pounds (2.6 kg) with battery and optical drive...
why dont you just hook it up to one of your computers and share the drive? It'll act just like another network share which would be able to be access by everyone and also will be able to use the music simultaneously.
Doesnt microsoft offer a 120 day demo of its server products? I remeber they use to do that with previous versions. If one of your friends has a msdn subscription they usually give em a load of cds with all that stuff on it.
Im not sure on studio MX, but i know photoshop CS doesnt work with wine.
I havent actually seen a wysiwyg editor like dreamweaver that is native linux, most people I know code by hand anyways. There are a lot of good text editors...