http://www.microcenter.com/product/228074/Keyboard_for_Life It's a nice Keyboard for $10. Works for PS/2 and USB and it is expressively stated as such in its specs.
I had always thought one could use an USB to PS/2 adapter on any USB keyboard, but apparently not. Not all USB keyboards can be adapted to PS/2. Also, it seems some older motherboards do not handle USB to access the BIOS during boot. I think I'll pick up another keyboard as a spare. There have been a lot of users having similar problems with PS/2 stuff. The weird part was the keyboard was fine on USB after boot, but with no BIOS access during boot. (... back, just ordered another one for pickup.)
The Samsung 23.6" SyncMaster LCD Monitor Model E2420L monitor is incredible, especially for the price. ... and works absolutely OK with my Linux system. Not one problem so far!
I ran out of SATA ports. I use the two motherboard SATA ports for my drives, but I needed one more for my SATA CD/DVD R/W drive. I tried a couple of expansion cards in my ePCI slot and that did not allow me to access the CD/DVD R/W drive after boot, although I could see the drive as recognized.
After a lot of research I found a really great card for PCI slot expansion to four internal SATA ports and it's expressively stated in the spec. that its internal BIOS works with Linux, and that it's a stand-alone card. It is not dependent on the OS or motherboard BIOS. I got one used off eBay from a guy that seems to deal with a lot of quality used parts. The card is a "PROMISE SATA300 TX4 4-PORT PCI SATA II CONTROLLER 300". His eBay store is "Affordable Upgrades."
This stuff really works well.