About time someone started a thread on good 7mm RM loads! Here are some of mine (all from a 26 inch 1 in 9 Rock Creek barrel). Velocities measured with chronograph 15 feet from muzzle, none corrected for actual muzzle velocity (can be done with the JBM calculator, too lazy).

Bullet: Sierra 168 gr. HPBT Matchking
Powder: Hodgdon H4831 63.0 grs.
Primer: Federal 215
Case: Federal
LOAL: 3.300 (2.742 Base to Ogive with Stoney Point)
Average Velocity: 2778.28 fps
ES: 22.14
SD: 9.32
Comments: Very accurate, best three shot group at 200 yards was 1.042 inches

Bullet: Nosler 160 gr. AccuBond
Powder: Alliant Reloader 25 69.0 grs.
Primer: Federal 215
Case: Federal
LOAL: 3.323 (2.758 Base to Ogive with Stoney Point)
Average Velocity: 2995.40 fps
ES: 19.98
SD: 8.42
Comments: Jam length 2.778 Base to Ogive with Stoney Point. Bullets seated for 0.020 bullet jump to lands. Best three shot group at 200 yards 0.672 inches.

Bullet: Speer 160 gr. Grand Slam
Powder: Alliant Reloader 25 69.0 grs.
Primer: Federal 215
Case: Federal (2.119 Base To Datum Line with Stoney Point)
LOAL: 3.244 (2.718 Base to Ogive with Stoney Point)
Average Velocity: 2943.55 fps
ES: 22.13
SD: 8.77
Comments: Jam length 2.738 Base to Ogive with Stoney Point. Bullets seated for 0.020 bullet jump to lands. Almost as accurate as previous load.

Getting good accuracy with the Nosler 160 gr. Partition but haven't chronographed the load yet and I've only tested it at 100 yards.

Bullet: Nosler 160 gr. Partition
Powder: Alliant Reloader 25 68.0 grs.
Primer: Federal 215
Case: Federal
LOAL: 3.285 (2.745 Base to Ogive with Stoney Point)
Comments: Jam length 2.755 Base to Ogive with Stoney Point. Bullets seated for 0.010 bullet jump to lands

Alliant Reloader 25 is my favorite 7mm Remington Magnum powder but I've been trying IMR-7828 too.

Bullet: Nosler 168 gr. HPBT Custom Competition
Powder: IMR 7828 64.0 grs.
Primer: Federal 215
Case: Remington
LOAL: 3.300 (2.735 Base to Ogive with Stoney Point)
Average Velocity: 2848.78 fps
Extreme Spread: 21.50
Standard Deviation: 8.30
Comments: Jam length 2.755 Base to Ogive with Stoney Point. Bullets seated for 0.020 bullet jump to lands. Cases sized in Redding Type S Sizer Die with .308 insert