Typical IRU output these days might include:
Time to Nav
Time In Nav
Pos Latitude
Pos Longitude
Ground Speed
Track Angle True
True Heading
Wind Speed
Wind Direction True
Track Angle Magnetic
Magnetic Heading
Drift Angle
Flight Path Angle
Flight Path Accel
Pitch Angle
Roll Angle
Body Pitch Rate
Body Roll Rate
Body Yaw Rate
Body Long Accel
Body Lat Accel
Body Norm Accel
Platform Heading
Track Angle Rate
Pitch Att Rate
Roll Att Rate
IRU Status
Inertial Altitude
Along Track Accel
Cross Track Accel
Vertical Accel
Inertial Vertical Spd
N-S Velocity
E-W Velocity
Unbiased Normal Accel
Along Heading Accel
Cross Heading Accel
off the top of my head ;-)