A couple more points:
Peg2's AGP is at least fast enough to run Tower57 @1080 full frame (60 fps)
1GB is indeed enough and someone may be lucky enough to own a 2b5 revision and install 2GB not to mention you can safely oc the G4 to 1.26GHz with some additional cooling.

[ Edited by vulture 02.11.2018 - 13:33 ]