Have you ever thought sorting nodes by
Content: Post date (desc) or
Node: Title (asc) just didn't cut it? Ever wanted to sort a view in a freestyle kinda way? Sortable Grid Views Plugin will let you do just that.
This screencast covers the Sortable Grid Views Plugin for a Drupal 6 installation. But sgrid works just about the same for a Drupal 7 installation. This is how projects are sorted in my Portfolio.
Here is the list of modules you will need: