I ran a sorc in THAC0 with no shrines and I felt he had way too many spell points. A wizard with no shrines feels right. If you're considering allowing the sorc class and you're allowing a rest shrine, then I can't imagine any other character will be relevant from a "dps" perspective. If you're building a tank/healer/dps/cc type of specialist group, then that's fine. Otherwise, not so much.