My M505X just turned 21 months old today, and I'm still as happy as day one. I've never had a problem with it. The only upgrades I added were a new HD and memory. I still prefer it's looks and features to a lot of new models out there.
Most laptop speakers will cut out when you plug in headphone/portable speakers. Check out what capabilities your laptop has though. Mine supports 4 speaker output. In my Control Panel, I have a utitily called Sound Effects Manager. ...
OK, over the years laptops have pretty much been NON-upgradeable as far as what you're asking about. That is slowly changing. If you have a laptop older than probably 2 years, you will most likely not be able to change either the CPU...
Yeah, I use WinDVD 6 Platinum also, and I love the audio options including surround and richer sound on laptops. Is there any particular reason you prefer the NVIDIA decoder over WinDVD's? Better picture quality or controls? Or...