Can we get cleaner search urls?

Do we need "search=commit" in the url?

Is there a cleaner way to express a selected facet than f[format_facet][]=Book ?

Erik says:

"in our PHP LucidFind app, we map them like this:
http://www.lucidimagination.com/search/p:solr/s:email,lucid,wiki?q=blacklight
p maps to &fq=project:....
s to &fq=source:...."

I'm not sure that's what we want, exactly (a separate path piece for each selected facet), but there must be some way we can use rails to make the urls cleaner.