I really like Squadron Leader as well as Commonwealth, but all of the Gawith tobaccos can be a bit hard to find as they only ship across the pond a few times a year.
I would suggest putting in a request with your local tobacconist (if any) to hold some for you when it comes in. I have several around the country that have a standing order from me for SL and Commonwealth and they hold a few tins of each for me.