I think this article has a good explanation of what people find distasteful specifically about those hashbang fragments: http://news.ycombinator.com/item?id=2592741
... or drop it altogether and use some form of infinite scroll? There was a great solution to this at http://news.ycombinator.com/item?id=2592741
For those wanting to see an interesting approach to solving this problem (not written by me): http://tumbledry.org/2011/05/12/screw_hashbangs_building
Associated HN discussion: http://news.ycombinator.com/item?id=2592741
A tumbledry.org article on doing infinite scroll better was posted to HN about a year ago (http://news.ycombinator.com/item?id=2592741) and it was most the way towards doing infinite scroll right.
I think this article has a good explanation of what people find distasteful specifically about those hashbang fragments: http://news.ycombinator.com/item?id=2592741