Great! But beware of bug with TMP Bewertet mit 5 von 5 Sternen

If you use Tab Mix Plus on FF 17 and it doesn't get disabled (since it's not compatible), you may find that a search in Omnibar to erroneously try to open the search term as a url (website). You should disable TMP until it gets updated.

Diese Bewertung wurde für eine vorherige Version des Add-ons ( abgegeben. 

Interestig. I am currently using 16 and nightly (19) and both of them work fine. It could be due to a setting or an incompatibility. Can you test Omnibar in a new profile?

Edit: Will check its conflict with TMP. Thanks.