At least you've got company. :hs:
This sounds a lot like the bug that kicked my arse last fall. h:

You're probably doing most of this already, but I figured I'd list the sure-fire remedies anyway. :hsughr:

* Load up on Vitamin C (2000 to 4000mg daily)
* Don't smoke or drink alcohol.
* Drink plenty of clear liquid (green tea works wonders)
* Zinc Lozenges will work well for a scratchy throat.
* if you can find some eucalyptus oil, adding a few drops that to a pot of boiling water then breathing the steam will help loosen up your sinuses and get them to drain.

Also, that Zicam Nasal Gel is amazingly effective for colds.
If that's all this is, I'd pick some up pronto.