This is only a test

I'm feeling a pang of high geekery tonight. I’m sure it’ll pass soon. I hope so. Don’t know why but this appeals to me. I picked it up on BoingBoing.
http://www.pembers.freeserve.co.uk/Test-Cards/index.html
Afterwards, I came across these:
http://en.wikipedia.org/wiki/Indian_Head_test_card http://en.wikipedia.org/wiki/Test_card http://www.meldrum.co.uk/mhp/testcard/around_world.html
Spiffy!