Dorigama and Famitsu Weekly have reviewed both Project Gotham Racing 2 and Matagama. The grades are not excellent, but still not too bad.
Famitsu Weekly :
Project Gotham Racing 2 : 8 / 8 / 8 / 8 : 32 gold
Magatama : 8 / 7 / 7 / 7 : 29
Dorimaga :
Magatama : 8 / 8 / 8 / 7
Project Gotham Racing 2 : 8 / 8 / 7
They also reviewed Splinter Cell (8 / 7 / 7, same for PS2 and Xbox...)
As a reminder, Famitsu Xbox's grades :
PGR2 : 34
Magatama : 31