Thanks for the reply
Sorry I didn't get back sooner - I signed up for emailed replies and your reply didn't email to me... grrr.
Perhaps I need to explain a bit better. I can get the debugger going, and it works just fine. The problem is when I want to view the variables in the watch window or elsewhere, I get a message saying that the code is optimised and can't be displayed.
I've blogged it here with a few pics...
here.
Hope this provides more information.