Profits for the last 4 days were:
today: 0.0157
saturday: 0.0222
friday: 0.0190
thursday: 0.0426
Litecoin profitability is currently 0.0213
Units are in BTC per mh/s per day
Have you considered mining against p2pool for the high difficulty coins? That would smooth out variance and you don't actually have to pay any fee for using p2pool.