Yes, Linux works fine till you want to connect to something exotic like your Nokia Mobile phone and then you are screwed. As long as its not fully plug and play like Windows I will not touch it. Why bother with it when you can buy Windows 7 for 400 baht.
Funny that.

Apart from

TuxMobil: Linux Applications for NOKIA Mobile (Cell) Phones

Nokia have their own Linux called Maemo.

Next?
I tried Ubnutu but there are too many glitches - sound & video problems for example which are left unresolved, no decent media player, you can download vlc amongst others but it's no KMPlayer
That is one downside of a free OS - support is sparse for old or obscure hardware. But if you post your sound and video card details we can take a look - generally the generic settings should work.

SMC fall into the category of old and obscure, I bought an SMC PCMCIA card and Vista simply didn't want to know about it.