Well.....dang.....I really felt that the areas surrounding the circles needed a bit more surface design......but so far the magic combination hasn't been discovered.
Nope....not liking it.....so before continuing further, I experimented by adding two short units of 3 parallel lines (lower center).
Yes....that's better. Out came the 'dimpling' and more little line units were added using several different complimentary colors of floss.
Detail - all these photos are clickable to enlarge for better viewing.
Am I calling it finished yet? Probably not.....I'll report back....