Why not point them at Mint and if you're feeling really generous, boot them up a live disc to show it off. And if you really want to push the boat out, do a demo install.
i5 4440 3.1Ghz, Asus H87M-E motherboard, 8GB DDR3, 2GB DDR5 nVidia card, 2x500GB Seagate hd, Coolermaster 750W PSU running Mint 16 MATE and Win7
eeepc 1015PX, 1.66 Ghz Intel atom processor, 2 GB DDR3, 320 GB hd, Mint 14 MATE. Fan needs fixing.