Hello. I'm a DV2006 winner so I haven't been following the news for DV2007. If there are a total of 80,000 winners, though, these winners are further divided into geographic regions, which are separately ranked. The case numbers are written as 2007AS000001, etc. which is the highest priority for Asia (AF is Africa, etc.). Since the numbers progress differently for the different regions, a higher number in one region can come up before a lower number in another region. For example, in 2006, AF6000 was higher priority than AS1700, because more DV visas are allotted to Africa than Asia.
It's rather unlikely that cases with priority ranks higher than 50,000 will obtain visas (it's possible but not probable). The available visas are usually exhausted before such ranks are given priority.
Good luck to all.