>I would like to get a laptop and install linux with double boot.
done that, no problem. works like on a desktop pc
>What are the models to avoid ??
check out the HCL of Redhat, SuSE, etc.
get a knoppix cd and try out if possible
avoid exotic hardware or models where you can't get the specs for the HW
>Furthermore, I would like a good sound card and I have read that I
>had to take care since most laptop don't have good integrated sound Cards ?
>Do I have also to avoid some models, or do I need to get an external sound card ?
>Can you tell me about this ?
what is a "good" sound card? i'm happy if my laptop produces system
sounds ("bing bing";-) and plays sound files.
>I know my question is rather general, it is a bit because I don't have yet the hardware
>and don't know much which softs I will use. If no response can be made without
>a dozen pages of explanations, can anybody redirect me to sites dedicated to this subject ?
http://www.linux-laptop.net/
http://www.linux.org/hardware/laptop.html
http://www.tuxmobil.org/