not heard of em, but i looked em up. No do not get these cards. They're based on the ATI Radeon chipset which is not supported (and doesn't always work well) with inventor, by autodesk, or ATI
If HIS makes anything based on the ATI Fire GL chipsets, that should be ok. What you need to do is look up the chipset your video card is based on at http://www.autodesk.com/us/inventor/graphic_cards/