I've been pleased with Missouri Bullet Co, they make a 180 gr .357 and a 300 gr. .452, both in 18 Brinnell:

http://www.missouribullet.com/details.php?prodId=119&category=5&secondary=10&keywords=

http://www.missouribullet.com/details.php?prodId=109&category=5&secondary=14&keywords=

If you buy in quantity the shipping isn't too painful.

'Four legs good, two legs baaaad."
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"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffett)

SotG