Make sure that no matter what type of video card is included that it has an expansion slot to upgrade to a better one.
You do not want a computer(motherboard) without a slot for PCI-Express or AGP.
You may actually have to speak to someone there who has actually touched one of these motherboards, which may take many calls to tech support, but this is a decision-maker / -breaker.
If it only has onboard graphics with no expansion slot, you could be stuck with only finding PCI graphics cards to expand(not PCI-Express, the older very rare/crappy cards).