>Is the only way to search the MM.Net threads is to be a premium member?

Yes, the search is among the benefits of the subscription.

>Is there an easy way to see all the MM.Net threads for the last year or two?

You can use the calendar and filter on the related category. That wil give you all the related threads about the product.

>Are there any MM.Net FAQ's or downloads on the UT?

I do not recall having seen some FAQ but there might be some downloads.

>Do we post everything (questions, errors, suggestions, etc) here?

Yes, AFAIK, this is still monitored by MM users and Kevin.