Josh left a comment on my Rosenfeld entry which I found interesting. Anyway thought I'd post it to share with everyone so the info won't get hidden in the comments. Thanks Josh!
Boston's Best Challah Bread Bakeries
All accessible within Newton Center ...
Cheryl Anne's Challah
The bread here is sweeter and more brioche like. You can also purchase this at JP Licks.
Cheryl Ann's of Brookline
1010 W Roxbury Pkwy
Chestnut Hill, MA 02467
Andrew's (Catering by Andrew)
You can get Andrew's Challah at the liquor store on Beacon Street in Newton or at the place itself. They have raisin and whole wheat challah.
Catering by Andrew
402 Harvard Street
Brookline, MA 02446
One of the few whole wheat challah producers!
1280 Centre St
Newton, MA 02459