Voted for w3m as it supports many functions not in other image capable browser.
Opera, if you need to access sites blocking non-flash.
Text only users will have other meaning
But, if you need UTF-8 on a server, you almost have to use X. (if not Linux or Windows).
This said, I use almost all gecko's, each to access a specific range of sites.
Some other sites are just cUrl'ed and de-html-ized/imported in postgreSQL: saves some bandwidth and CPU time if just looking for specific info.