I will never understand why no one else uses something like we have at FR. IMHO, this comment system is orders of magnitude superior to anything else in existence: you can easily go back to a comment being replied to, or find replies to a comment. It looks clean and is a pleasure to read. I have always thought that the Robinsons (assuming it is their work) should sell it.
As for HA, it always struck me as odd that the posters are almost as smart as we are at FR, but the bloggers are, generally speaking, maroons.