You can check my mdapps for timing b/w interview and acceptance. If there class really is 155, I would imagine they would accept somewhere between 350-500? I'm leaning on attending Penn St, even though I have two acceptances from my state schools... Penn St was the ****.
That's strange, I would call them and ask if there have been any decisions on your application. I interviewed Dec. 1 and found out Jan. 16th, that would put you on about Jan 23rd if you interviewed around a week after me?