Yes, the way members are listed has changed. Basically, the new system isn't based only on the number of posts you have made. Different numbers of points are awarded for things like posting a new topic vs. having your answer marked as a best answer, etc. This is why you might see some discrepancies like that.
The main advantage of this system is that it will allow, in the future, people to become subject experts. If you have a large number of points on a specific forum, you will be listed as an expert on that topic. You can be an expert on multiple topics, as well.
As for why the names have changed such as "Tom's Newbie, Tom's Regular, etc" from the old one, we wanted a standardized thing over all the forums. Also, once the expert listings are finished, those names will become less important.
For a better explanation, please see this post: http://www.tomshardware.com/forum/20737-12-member-rankings-list
Thanks for the info Justin. I am not going to "shoot the messenger", but I am going to add my 2 cents.
It was a horrible way to launch a completely irrelevant system.
All I need to do to boost my points rating is to start posting eh? Okay, I can do that, boy oh boy can I do that.
Makes no difference if I simply ask a hundred pointless dumb-ass questions, I'll still get points...yippppeee.
I really see no way to possibly offended all the long time posters worse than this latest fiasco.
As I said, I am not shooting the messenger, but please, please make sure all the feedback gets back to the idiots who think this stuff up.
Why don't they ask the people who actually frequent the forum with nothing but good intentions, about matters like this instead of just shoving it down our throats?