At the moment I can't see myself doing most lagers (just not a fan) or any sours. You never know, though. I'm hesitant to say "never" just because I might get bored at some point or I might try a commercial example that I love so much I want to try to re-create it.
Just wanted to quote myself here and say that I just bottled a pils and a dunkel. I haven't yet brewed any sours, but I do have plans to do so. So like I said, never say "never."