Best brushes for oil painting

[Sue]

People sometimes ask me what brushes I use, and while it isn't the
brushes that do the painting, I firmly believe good tools always make
the job easier. My favorite brushes are Silver Brush's Grand Prix
line, and Grumbacher's Gainsborough brushes. I like a pretty bouncy
brush that keeps it's shape. I'd be interested to find out what
brushes other people use and recommend....

[Kelley MacDonald]

Lately I like the Monarch brushes (I get them at Jerry's) or from
Utrecht the 6300 series - I use mostly flats or brights, and I think
they take a lot of care to preserve the edge, but these are pretty
good.