A couple of moves have increased in power in Black/White.
Fury Cutter went from 10 to 20.
Bullet Seed and Icicle Spear went from 10 to 25.
Fire Spin, and Sand Tomb and Whirlpool went from 15 to 35 (and increased accuracy from 70% to 85%)
Covey went from 40 to 60.
Uproar went from 50 to 90.
Giga Drain and Drain Punch went from 60 to 75.
Future Sight went from 80 to 100.
Jump Kick went from 85 to 100.
Thrash and Petal Dance went from 90 to 120.
Hi Jump Kick went from 100 to 130.
Doom Desire went from 120 to 140.
Last Resort went from 130 to 140.
Beat Up and Punishment went from flat damage to special damage.
The following moves increased in accuracy: Bind, Tackle, Wrap, Disable, Fire Spin, Toxic, Clamp, Glare, Poison Gas, Crabhammer, Cotton Spore, Future Sight, Whirlpool, Sand Tomb, Rock Blast, Doom Desire, and Magma Storm.