Hi Phil,I wanted exactly the same as you, so I bought the xq38f, I have had it for 2 weeks and used it virtually every night.
I have mixed emotions about it, in some ways it's an absolute game changer, but it has drawbacks as well.
First thought, its small, I was surprised just how small a unit they are, very impressed.
It took a while to suss the menu out, like anything new, but once you work it out then fairly easy to use and change settings on the go.
Battery life appears excellent, I've been using mine for two weeks, most every night, an hour or so each time, and still on the