Brushes for Alkyd Enamel

My oil brushes (Purdys) are starting to give up the ghost
The ferrule on one is real loose, and I'm starting to leave bristles with them

What do you guys/gals use and like?

Normally I am partial to Coronas (a firm brush for latex), but they are hard to find out here
I can get a good deal on Woosters, but have never used them before

I am open to suggestions

Thanks!