NintendoDS/Gameboy AdvanceSP/ Xbox / Nintendo Wii/ GP2X WIZ/ GP2X Caanoo/ Dingoo A320/ Sony PS1/ Sony PS2 (one Phat and one SLIM)/ Gamecube/ Dreamcast/ Sega Satun/ Sega CDX/ CDi/ 3DO/ Sega Genesis model 1/ Sega Master System/ FC Mobile II/ PS1 (Original and SLIM)/ YINLIPS YDPG18/ Colecovision/ Intellivision II/ PSP/ Ti99a/ Atari 5200/ Atari 7800/ Atari 2600 Jr./ Atari 1040ste/ Atari 1040stf/ Commodore 64/ Commodore C64/ Super Nintendo/ NEO GEO CD/ N64 - PLUS a pretty decent Desktop and an average laptop.
... and they're both capable of whipping their respective devotees into fits of geek rage, especially when one mentions bus widths, parallax scrolling, texture mapping, or Gouraud shading.