What are the best metrics to use? What would you want in an affiliate programs stats?
 

Impressions. The number of times an ad banner is viewed.
Clicks. The number of times a consumer clicks through an ad banner.
Number of Sales. The number of transactions that occur.
Sales Revenue. The dollar amount of sales.
Commissions Paid. The dollar amount of commissions paid to affiliates.

Click-through Rate (CTR). The number of clicks divided by the number impressions.
Conversion Rate. The number of sales divided by the number of clicks.
Average Order Value (AOV). Sales revenue divided by the number of sales.
Earnings Per Click (EPC). Commissions paid divided by clicks.


Any other hot buttons you would like to see?

All of them - You can never have to many stats.

I like to see geo info as well.

Geo info always good

any others?