Thanks for the link to the azimuth map. That is very helpful.To be honest if you're going to put a rotator up I'd bin the dipole and build a Moxon rectangle then you get loads of gain and rear/side rejection. You cannot appreciate just how much being able to hear what you want without hearing everyone else is worth until you've tried a beam.
Whilst you're at it go to this site, enter your location and it'll print out an azimuth map so you know where to point it.
http://ns6t.net/azimuth/
With the warmer weather this spring, I'll get a moxon up. The neighbors don't seem to be phased by 17 ft of pvc in the air. Gain and rejection should be nice.