Would it be useful to have a 'prune posts' option that would allow for relative ease in deleting posts, under the profile?
I tend to limit my post trail by every so often deleting inconsequential posts. This may or may not be in line w internet / blog thread etiquette.
It may enable members to do more deletion, more readily, resulting in more 'space' / room / less demand on the 'server' (non-tech level of understanding!)