Despite the still almost twice as large install base for the 360 in the UK in January (according to VGChartz more than twice as large), an interesting software sales analys (January 2008):
FULL PRICE FORMAT SHARE (units)
1. Wii (21.2%)
2. PC (18.6%)
3. Xbox 360 (16.0%)
4. DS (15.9%)
5. PS3 (14.9%)
6. PS2 (8.0%)
7. PSP (5.2%)
8. Mac (0.3%)
FULL PRICE FORMAT SHARE (value)
1. Wii (22.1%)
2. PC (20.9%)
3. Xbox 360 (17.3%)
4. PS3 (16.9%)
5. PSP (16.9%)
6. DS (12.4%)
7. PS2 (5.9%)
8. Mac (0.7%)
http://www.mcvuk.com/interviews/198/ChartTrack-ELSPA-Monthly-Report
PS3 vs 360 full price software sales are getting close between the two platforms. The PS2 performs relatively weak in the UK, but bugdet priced software sells better.