You can get the Flex 3401 Polisher for $50 off at Superior Car Care Product using code Tax50, plus you get free shipping. I have never seen the Flex 3401 go on sale, so $50 off is a awesome deal if you are in the market for a super duper polisher. I think the sale is only good until 2/8.

superiorcarcare.net/promo-page.html