recommendations for a Sphinx plugin

I'm familiar with a couple of sphinx plugins floating out there right
now. I have a few simple needs.

1. It needs to work on Rails 1.2.5 (ultrasphinx on works on Rails > 2)
2. I need to be able to easily search multiple indexes for search
results so that the result set returns different AR classes which are of
course sorted by the fields I specified to be searched.

Anybody have any good recommendations? I looked at acts_as_sphinx, but I
don't think it can search across two seperate models and return combined
results for both.

I used to use acts_as_ferret which had a multi-search feature.