Implementation of the Sharia bill would be a catastrophic mistake.
They will carry on, and then demand the same for other areas of nwfp, baluchistan, punjab, etc. These militants will not remain quiet until they have established their writ over the whole of Pakistan. They are in this for the long run.
These peace deals tend to work in their favour.
We can make deals with those taliban who are ideologically opposed to overthrowing the govt.
We should also engage other groups like hizb and lashkar, which are at ideological odds with the TTP. Not all islamists, or fundamentalists are the same. We must learn to differentiate among them, and isolate the hard core miscreants.