Cloves,

Just do it! I would echo others thoughts to perhaps go for an SWK or USAK casual just to see if you like the looks and fit of a more traditional kilt. Then if you decide you do, go for the tank. I have found that I wear all of my kilts in regular rotation. Some days I feel like wool and a nice tartan, other days it is wamr and I wear my USAK's in PV, and on other days I don't feel like wearing a sporran or tartan and strap on a UK. While a tank costs more, it is every bit as rugged and indestructible as any of your current kilts. Wear it when you will. I don't reserve any of my kilts for special occasions. I have too much fun putting together new and different combinations.