JMC currently has a Teradyne J971 for sale.
Logic Test System

Ref # COM23

100 Mhz, 256 I/O Channels
64 Channels with 256K Vector Matrix Option
32 Timing Edges
4M Vector Memory
Parametric Measurement Unit
225pS Edge Placement Accuracy
4- 5A High Current V/I Sources
Memory Test Option
Sun Sparc20 Engineering Workstation