Just like imagecache presets, it would be nice to have link formatter presets so you can display the link field in different ways on different pages.

For example, we have a list of events, each of them containing a link to an third party site where one can buy tickets. On the overview page of all events, the customer wants the link to have the title "Tickets", but on the full view of one event the customer wants the link to have the title "Buy tickets online".