Possible Duplicate:
More options when flagging for migration
Issue
When raising a flag for off-topic questions, the list proposing the available stackexchange websites for migrating the question is as follows:
I believe the list is lacking, as many times i ran into the occasional off-topic question which its appropriate site for hosting is not on the list, like those belonging on http://webmasters.stackexchange.com, for instance.
Proposal
My offer is to add another option, describing all other relevant stackexchange websites, as the last entry in the list, and keep it collapsed until chosen, or perhaps provide an Ajax-like autocompletion mechanism that resembles the Exact Duplicate proposals view: