Here are a few from my Helios 44-2 f2/58mm which I've had for about ten days, mounted on my K10D (iso 100):
f2 -- White Snakeroot flowers with pollinator.
f2 -- American hazel leaf.
f2 -- Fence post and wire.
f16 -- Pasture and barn.
The lens seems to work well with the K10D, which contributes to the color rendering potential. What's in the OOF background seems to determine whether the bokeh is creamy or swirly-to-dizzying -- no swirlies in this group.
As the last example shows, good sharpness across the frame is possible at f16. The focus was a hair on the near side of hyperfocal. If a few leaves are blurred, there was a breeze and the shutter speed was only 1/50th.