I haven't used loquats before, so I have no info there, but I do believe that you're right about trying something a little more basic -- or time-tested -- before experimenting with something new. Joe's Ancient Orange
is probably the best first mead a new enthusiast could put together: it's very easy, inexpensive, requires close to nothing in the way of equipment (a jug and an airlock), fast (only three months -- sometimes sooner), and quite good. After that, maybe a straight mead, or a simple melomel using juices. A little experience can go a long way once you do branch out on your own.