The discrepancy might be that MS has reserved one for every one of its employees. So that 90,000 additional and may have created an artificial scarcity not driven by consumer demand.
Sadly just not true. They will reimburse us for the handset cost when we purchase of a WP7 on a 2 year plan. Which means if your not willing to pay to break your current contract, or not willing to lock into a 2 year plan then you're sadly out of luck.