Some people mail wedding invites in waves, I did because I hand addressed all mine while in school! I would follow Sadie's advice and assume you are invited and try to say something in an innoncent way. I didn't do "Save the Date" because 95% of my guest list was local so I thought it was not important!
Amanda
2011 Specialized Epic Comp 29er | Specialized Phenom | "Marie Laveau"
2007 Cannondale Synapse Carbon Road | Selle Italia Lady Gel Flow | "Miranda"
You don't have to be great to get started, but you do have to get started to be great. -Lee J. Colan