On a budget I'd go here
http://stores.ebay.com/WB-SOCKS_KILT...QQftidZ2QQtZkm

As for colour I'd say if I only had six pair of hose, I'd go for the following
1. Black
2. Bottle Green
3. Lovat Green
4. Oatmeal/Stone
5. Lovat Blue
6. Maroon