Just for reference: as of 2:26ET last trade I can get from the mtGox API was for $157.

EDIT:

2:52:00 last trade: $142

2:56:58 last trade: $135

3:10:10 last trade: $117.57

3:20:52 last trade: $106.00 (this is the lowest price I've seen)

3:42:ish trades between $125-$150