With the system barely spewing forth visuals like this, everyone should all laugh hardy at the notion of anything resembling Halo hitting the gizmondo.
I don't see why, that game video doesn't look bad to me. Also they don't need to port Halo and make it look exactly like the XBox or PC versions technically. It just has to look a lot like Halo. Look at Metroid Hunters on DS. Technically its nothing like Metroid Prime, but the design and artwork make it looks very similar to Prime. I know Halo is definded more by technical aspects then artwork when compared to Prime, but still. Halo could even be ported to DS never mind Gizmondo.