The sales are almost over, but as uaual there are awesome last minute deals.
Most sales require PC membership to get the full rebate:
http://www.daz3d.com/shop/platinum-club-monthly-membership
http://www.daz3d.com/shop/platinum-club-annual-membership

All Daz Originals, including Carrara and its plugins are at 70% off:
http://www.daz3d.com/shop/daz-originals?compat_software=30&limit=30
Carrara 8 Pro is 69% off, almost 70% 
http://www.daz3d.com/shop/carrara-8-proAge of Armour store is 50% off:
http://www.daz3d.com/shop/age-of-armour
Some free addons for some store items:
http://www.ageofarmour.com/3d/free/index.php

Skies of Economy by DimensionTheory is on 33% intro sale:
http://www.daz3d.com/shop/skies-of-economy

Not Carrara specific, but content for Carrara/DazStudio/Poser:
The most bang for the buck are the Pro Suites, that are 70% off:
http://www.daz3d.com/shop/catalogsearch/result/?q=pro+suite&x=0&y=0
Examples:
http://www.daz3d.com/shop/victoria-5-pro-suite
http://www.daz3d.com/shop/michael-5-pro-suite
http://www.daz3d.com/shop/michael-4-3d-model-pro-suite
http://www.daz3d.com/shop/victoria-4-3d-model-pro-suite
http://www.daz3d.com/shop/stephanie-5-pro-bundle

Also, if you purchase items over 30$, get a free item from:
http://www.daz3d.com/shop/sales-promotions/november-freebies/

Also, if you purchase items over 50$, get the free item from:
http://www.daz3d.com/shop/stephanie-5-elite-texture-joanie/

Do not forget the 30% coupon you should have in your email inbox/spambox!

/3drendero