Adjust the valves, replace the brake and P/S fluid, change any other lubes, fluids and filters that haven't been changed 'recently', check steering components for wear, check suspension bushings for wear, check the rear springs for sag, check all u-joints for wear, check the alignment, regrease wheel bearings (if possible), check most bolts for proper torque. Check the windscreen for excessive pitting (replace it if you can't see through it driving into the sun).
That should keep you busy for a week or two.
Fest3er