BuyDig offers the Lexar Professional 800x 32GB CompactFlash Card 2-Pack, model no. LCF32GCTBNA8002, for $119. Coupon code "DIG5" cuts the price to $114. With free shipping, that's $9 under the lowest total price we could find elsewhere. It's compatible with CF UDMA and CF devices.
Before you send in your tax return, double-check that you haven't made one of these mistakes that can trigger IRS scrutiny.