from just a quick test (till the battery fell out), I got these results:
startup: 0.6-0.7A
sitting in gmenu: 0.4A
gmu playing stuff, screen on, 200mhz: 0.6A
gmu playing stuff, screen off, 200mhz: 0.4A
gmu playing stuff, screen on, 250mhz: 0.6A
gmu playing stuff, screen off, 250mhz: 0.45A
gmu...