Buster is now called Jussi - after the Finnish-Swedish opera tenor Jussi Björling. Being called "Buster" seemed to rankle with him a bit - while he responded to it, he obviously associated the name with some rough times in the past. He responds to "Jussi" better somehow - and this name reflects his undoubted singing powers, when he decides to meow.
He hasn't been outside the house yet - perhaps next week I'll try taking him into the garden in his
Cat Walking Jacket Harness and leash.
In fact, here in the UK it's fairly normal for cats to go outside unattended. In the States, however, things are
rather different.