So, what kind of style are you going for? I mean, you love your date perpetual? What about a sport Rolex? Sub, GMT, etc. You'd have plenty of room in your budget for that, heck maybe even two watches. You could get an Expy II and a 14060 for close to 6k or a simple Panerai maybe.
You looking for something different? I love Panerai's and they aren't as big as you'd think. Especially the Radiomirs.