Intel Mini-ITX or VIA Epia boards should do the trick.
Some Epia boards have HW support for video decoding AFAIK.

cheers

On Sat, 30 Jun 2007 09:18:23 +0200
Marcin M. Jessa <lists@yazzy.org> wrote:

> Hi guys.
> 
> I am planning a multimedia box for my living-room and I am 
> looking for a mother board with enough horse power to play High Definition
> movies
> and at the same time work without any fan making as little noise as
> possible.
> 
> Any suggestions?
> 
> 
> Cheers,
> Marcin.
> 


-- 
Hoka Adam <hokaadam@gmail.com>