Here's a good site and like the forums, again on the internet everyones an expert but there are a few true ones here:
http://www.soundandvisionmag.com/ide...asp?forumID=41
When it comes time to buy, best I found for price is:
http://www.doublediamondltd.com/
Way it works is find the product you like, see if they carry that manufacturer and if they do phone for a quote.