Skeeve,
Loads of what you have said is down on our to-do list, see
this post I made.
We will not be restoring old comments for technical reasons, so consider it a spring clean of comments, a fresh start. Understandably there are 1 or 2 people who are a little pissed off about that, but we have to do what's best for the site. Revamping the entire comment system was doing just that. So I do apologise you've lost your comments, but they won't be coming back.
The reason we decided to make the beta site the actual live site was to get it exposed to as many people as possible. If we didn't do that, half of the stuff we've heard and suggestions we've recieved simply would not have arrived.
Thanks for the constructive suggestions, it is refreshing to see that people are actually taking a real interest in giving us feedback.