I agree with Piper in that it's very generic. I've seen some salads on menus with 50+ grams of fat, 2,000+ calories, listed with a little diet symbol. Low-fat/cal dressings often have really nasty chemicals and partially hydrogenated oils. Tuna, on the other hand, has very important fats. Eggs are great, too, if you're not having issues with cholesterol. I also find wraps more filling and satisfying than most salads.
I'd say to go with the most healthful, least processed option. I mean, if you make your own wrap with a light mayo containing no trans fatty acids on a wrap where you can see the ingredients listed, that sounds like a nice change. If you're not sure what goes in the wrap and you've been happy with your salads, I'd say to stick with the salads. After a year of the same lunch, you must be ready for a change once in a while, tho.