Once the varmints are gone from frost you may want the extra protection the row cover provides (even with hardy things), so I say embrace the tulle! If you have hoops and attach the tulle with clips, it can be attractive. I kinda dig it. Of course you could always purchase more permanent plastic greenhouse type structures or build cold frames, etc.
I am also in zone 7, and I find row cover is the only way to defeat the cabbage moths if I want any cole crop.

OK I'm getting used to it...at first it was very jarring as I can see it out the sunroom windows. Yes, I thought I would use heavier row coves on top of the tulle on really cold nights. Hope we don't get snow as it would all collapse! The seeds popped right up except for the Swiss Chard. I hope it is just taking its time. Still have lovage and salad burnet to plant, so I'm goin' out now.

Veeta-
What type of hoops and clips do you have?

wolverine1012, I use pvc pipe, because my beds (from http://naturalyards.com/) came with poles at the corners that I can easily attach it to. I use clothespins and large binder clips to attach the row cover. I think it is more important to attach the row cover tautly--no one is looking up-close at my set-up.
I also have this plastic coldframe: http://www.gardeners.com/Season-Extending/VegetableGardening_SeasonExtending,default,sc.html
Before winter sets in, I often drape row cover over the frame.
Hope that helps