Colored ESCs are nice. Got these IBM compatible keycaps from another Geekhacker but I don't know where he got them from.Show Image(http://geekhack.org/attachment.php?attachmentid=9233&stc=1&d=1271634092)
You can get custom keys made here. (http://www.fentek-ind.com/keys.htm)
Try asking ClickClack if he can turn some out for you. The true definition of the word Custom.