The delay is two weeks and I don't think it's caused by a lack of developers. If you think about it, it was caused by "too many" developers getting involved who had problems with the old proposal.
As for OP_EVAL... I can't speak for gavin, but I know in sipa's and my mind OP_EVAL isn't dead. The new proposal doesn't use up an opcode, so if we still want to, we can implement OP_EVAL at a later time - perhaps even using the same code. We just don't *need* OP_EVAL, because we now have a better way (less bytes, easier implementation => no change to EvalScript, static analysis => minimal changes to GetSigOpCount) of moving scripts from the scriptPubKey over to the scriptSig.
Never mind