With the Recovery Act's reimbursement payment schedules pretty much established, there are still three questions that the indutry and physicians are waiting to be answered:
1) Who will certify EHR/EMRs. (Believed to to be CCHIT)
2) What will be the "meaningful use" threshold?
3) How will reimbusement payments be made?
Below is a link to some discussions of what items 1 & 2 may look like.