Requesting implementation of Shiichan's comma syntax to refer to well-defined sets of certain posts.
Like this: http://www.world4ch.org/read.php/vip/1103880078/47,5,15-10,8-
I've been thinking of more extensions to that. The only useful one that I can think of is 'qX', which would display every post with an anchor to X. That would be kind of slow, though.