Best looking garden centre website I've come across to date: Knippels. Very helpful, very knowledgeable. I emailed them last night seeking advice on what type of fruit tree to get to replace our snowball flower tree that died this summer (not sure why), and they recommended a five-in-one apple tree (in less than 12 hours: excellent service!). Apparently five different types of apples are grafted onto the stem.

We were looking for a small fruit tree, and were originally leaning towards a small cherry or prune tree. Those are still preferable, but if we can't find one, we'll go with the apple.