The first band that comes to mind would be Nada Surf. Their most popular work is probably "Popular", released in 1996, which people might recognize, but is probably the least representative of their overall output. They have put out a lot of quality albums in the meantime and they play really solid club shows. The next album is due this year. A lot of their work in the meantime is stuff I can happily listen to from start to finish. "The Stars are Indifferent to Astronomy" and "You Know Who You Are" are good examples.

Beyond that, I think Travis have put out some really nice material and Buffalo Tom still has a special place in my heart. I'm going to add Teenage Fanclub the list. I believe all of these bands will be touring this year on the merits of recent work. I wouldn't file any of these under nostalgia.

marillion