HP 970 Black Ink Cartridge

Probably should've been more specific, more detailed on Intel Mac Pros/MacOS and HP 970 Wireless keyboard. Is this keyboard fully compatible with Intel Mac Pros (desktops only, NOT notebooks; again, no promotional keyboard users/recipients, please), including all keys, etc? Any of the keys need programming?

Yes, the HP 970 -- HP Part No. CN621A -- is one of the recommended ink cartridges for the X576dw. It is the black ink cartridge that will yield approximately 3000 pages. The 970XL -- HP part no. CN652A -- is the same thing, but it has a yield of 9000 pages. It is very important to use genuine Hewlett-Packard ink cartridges to insure long life and proper operating performance, so don't use a brand X replacement cartridge or a refilled HP cartridge. The cost-per-page of the ink cartridges used in this printer are surprisingly low, usually around one-half or less than the cost of conventional ink cartridges used in other machines. This is one of the finest inkjet printers ever designed, and it is durable and reliable, and it should give excellent performance with the proper ink cartridges installed.