The Eschaton debacle (p. 335)
It also occurs to him that he finds the real-snow/unreal-snow snag in the Eschaton extremely abstract but somehow way more interesting than the Eschaton itself, so far.
Context
Hal, frozen mid-lean over his NASA spit-glass in a marijuana-thinking helix, cataloguing his own reactions. The representational question has fully displaced the represented thing for him — the snag is better than the game — which is the spectator's version of the map swallowing the territory.