A lot of newsagents will, if you ask them, get a magazine in that they don't usually stock and reserve it for you
See what you can convince them to do
I've been buying Mercedes Enthusiast, and it's great; pitched at just the right level for the enthusiast.. doesn't just test new models and always say 'this car's really great', it does decent tests, of new and old models, along with technical info.
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black