Basically it takes almost 33 rating to equal 1% haste at level 80... but at 85??? 192!
Even the best T10 277 gear will drop to 1/6 of what it was with regards to %hit, %haste abnd %crit
Combat ratings in Cataclysm Beta:
Ratings per 1%
Level 80
Hit (Spell) 26.232
Crit 45.906
Haste 32.79
Level 81
Hit (Spell)37.357
Crit 65.374
Haste 46.696
Level 82
Hit (Spell) 53.199
Crit 93.099
Haste 66.499
Level 83
Hit (Spell) 75.76
Crit 132.581
Haste 94.701
Level 84
Hit (Spell) 107.89
Crit 188.807
Haste 134.862
Level 85
Hit (Spell) 153.645
Crit 268.878
Haste 192.056