Another member - Sunriselad - beat you to it and created a utility to do most of this.  It's called Mine Minder, and includes the block values, pool hash rate, and current difficulty.  It also displays a current bitcoin value, but I do not know what the source is.  It does not include the Slush round number.  Apparently there is some difficulty in getting the individual shares per round into the feed.

I have my copy set to download every 300 seconds (5 minutes); I believe the default is much lower, which would seem to impose an unnecessary burden on the servers.

You should be able to find the relevant post on the forum.

[Edit] try post #8211 on page 411.  Discussion follows, and there is a later version than the one mentioned.