What types of computer hardware would make your work life more efficient?

2 answers

"your work life"

No one here will know what would make "your work life more efficient." Only you can decide and write about this.

desktop computer
laptop computer
netbook
back-up drive
USB hub
wireless keyboard and mouse for a laptop
printers of different types, including all-in-ones

What else can you think of?
USB Keg Cooler