I have now shaped the bridge and strung the guitar up.I decided to make up a new nut (which was easier the 3rd time around) because the other one had a crack in it.
The guitar at the moment is all over the place and won't stay in tune.I am going to leave it sit for a week or so ,then go back and attempt to set it up.
This will give me some time to read up a bit on set ups.
I am not real sure about the height of the bridge etc .The Stewmac instructions are good but a bit more info would be good.
I have ordered Bill Cory's book which may give me some more detail on the subject.