This is something I would like very much as well. Currently I do it manually, by periodically checking if there are any new books out from my favourite authors.

This is something I would like very much as well. Currently I do it manually, by periodically checking if there are any new books out from my favourite authors. This is of course far from perfect, as I tend to miss one every now and then, and it also takes time. Anyone know of a service that does this already?