You say it is usually quite adequate but you seem to be complaining with the rest of us about the log in being a pita . According to a post above it is that aspect of the forum that seems to be getting @cwrb down .
My post is almost 2 months old and was posted before the most recent login issues, which I consider separate from the speed of the forum (page refreshes, etc).
Logging in is a pain (since around January 5th, three days after my post). However, once logged in, I find the speed of the forum perfectly adequate as I stated previously.