I added a Firewire card to my aged p3-600 and it has such video subsystem. I can capyture and edit. Rendering the DVD is an overnight affair but that is acceptable for on the road sessions. Then newer Athlong 64 arrived so I'll be moving to that any day.
The main reason for the dedicated display is mainly for gamers.
Sony just introduced a new Sonoma notebook series FS500 and I am trying to decide between these two graphic choices:
1. Intel 915GM Integrated Graphics 128MB with Dynamic Video Memory (shared with main memory)