I don't need mesh. It's all about wire. In home it will be about 10 users in the same time. R510 supports up to 512, it's too much. h510 is half price of r510. I am thinking about h510 (or h320). In small office it wil be about 30-40 users. I think h510 will be enough for that case too.
If everything will be wired, and from a performance perspective, just about anything will work. I suspect you won't need cellular or cable directly terminated on the WAP, so no C110 or M510. Go with the low cost.