The charm in using Silicon Graphics machines was the dedicated hardware and graphics pipelines that these machines had. In addition to that the awesome, no, supreme hardware design and cool boxes.
I maintain that emulating Irix, wouldnt bring all of that back. It would be like watching porn instead of doing it.
Keyframe
At the time? Of course. With modern hardware speeds and bandwidth, it ought to work just right. Maybe not the last of the lineup (Tezro), but it would get there. Just like it did with (less powerful) Amiga. Problem is that so much of the stuff was custom inside.
I maintain that emulating Irix, wouldnt bring all of that back. It would be like watching porn instead of doing it.