noblues,
Just a couple of points:
1. On your re-clearance to an altitude you should have been given the QNH, as a reminder at least.
2. If I'm thinking of jumping BNN with you, one of my deciding factors will be my assesment of your rate of climb in the first 4,000' or so. Give me 1,500'/min, then probably a non-starter. Give me 3,000'/min or more, then you've got a chance.
If nothing given by 5,000' then more than likely your going to stay at 6,000' for a while, so slow the rate to level.
Come for a visit, you guys are always welcome. The more we understand each others' needs the better we both become!