I can browse 192's, such as others on my LAN (and sometimes 10's)--but rarely. If the upload slots are filled, no browsey, for example. Still trying to figure out all the variations, but I can't yet predict when browse host will work.
 
For example, I can browse another on my LAN from the search results, but not (currently) from the uploads list. Gotta figure out the new bug reporting system 
http://www.limewire.org/jira 
This applies to chatting too. 
[btw--you can control your misplaced threads: edit the post to get at the delete checkbox AND button)