Still not perfect:
Seems as though the search doesn't hit the latest posts. Haven't figured out what makes this flaky. Still trying a few things: have also installed Feedster RSS on my Infomaniac blog, and have found some of the same quirks: Feedster's suggested URL doesn't always work, but the one you find searching Feedster's 'FeedFinder' has a different -- and better -- URL.
-- Liz