M2432-CF1

[vs2]

Hi. I'm new here.
Just brought the M2432-CF1 laptop and I should receive it in about a week.
I'm going to use it with the docking station hooked up to a Mediasonic Probox (8 TB) so it will also be my HTPC. This way I can quickly disconnect it and use it as a regular laptop

The laptop has the Realtek HD Audio (6.0.1.6378).

My question is concerning audio out. Can anyone tell me if the headphone jack is S/PDIF? If not will the HDMI pass the digital audio out? My Harmon Kardon AVR507 has only TOSlink and coax inputs and my Panasonic Plasma (with HDMI in and TOSlink out) will only pasthrough 2.1 audio. What would be the best way to get DD or DTS to my AVR?

Would something like a USB Sound Card with optical out work, ie, BEHRINGER B-UCA202
http://www.mtvsound.co.nz/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=952&category_id=153&vmcchk=1&option=com_virtuemart&Itemid=1

...or would something like this work better:
http://www.rapalloav.co.nz/hdmi-processing/hdmi-matrix-switcher/4x2-hdmi-matrix-with-toslink.html

Maybe I'm going about it all wrong and may be easier to get an AVR with multiple HDMI in and 1 HDMI out to TV.

I just want to get the best possible sound out of the laptop. Thanks.