I'm assuming that as an author of fairly hard sci-fi Banks would not mind overmuch if he was resurrected as a "mere" upload. The point of cryo is once the initial damage is done, no additional information loss to entropy occurs, so you can afford waiting for far-distance supertech to see if your neural behavior is at all reconstructable.
That's fair enough, although it should be noted that proteins/molecules are still active at -80C, just very slow. Things still break down, some enzymes are still active, etc.
