Premonition, the poorly reviewed Sandra Bullock film, tracked at 75, 25 and 19 yesterday morning, which means it’ll earn somewhere north of $15 million. 300 may be #1 again but expect at least a 45% to 50% drop. Chris Rock‘s I Think I Love My Wife — 60, 31 and 11 — will do mezzo-mezzo business, maybe around $10 or $12 million. Dead Silence — 42, 20, 4 — is no Saw. Of all the forthcoming March openers, Blades of Glory (Will Ferrell as a preening, amusingly obnoxious ice-skating champ) is looking the best (64,40, 7). Reign Over Me, opening a week earlier than the Ferrell (3.23), is only at 48, 29 and 2. Not good — the gut-instinct types are shrugging their shoulders.