A little question - is there any chance the signature character limit could be expanded a bit?
300 characters are nearly useless if you wish to post a couple of links - e.g. Flickr, Youtube, maybe another forum profile...
Additionally you are in a way robbed of the ability to in any way or form format your signature as BB code eats into your character allowance.
Now I do understand that you want to limit the signature character count so that signatures do not dominate posts - but with 300 characters there really is very little you can do in your signature area.
I copied my signature over from POTN (photography on the net) and had to throw out a lot to make the parts that are important to me it into the 300 characters allowed.