Just for information :
The Saanlima Pipistrello priced at $155 is an FPGA development board with many on-board peripherals and pin headers compatible with the Papilio series of boards. It has USB connectivity to a host PC, and, by adding the Saanlima buffer wing, can be used as a replacement for the Openbench Logic Sniffer (OLS).
The FPGA firmware for the OLS has been ported for the Pipistrello, and can thus use the full 64MiB memory to store samples. It also has triggers on rising/falling edges as an extra feature.
All details of this including design files are available athttp://pipistrello.saanlima.com/index.php?title=Welcome_to_Pipistrello
It is available for sale at http://saanlima.com/store/index.php?route=product/product&product_id=51
At $155 it is not within my reach at the moment and I am happy with the original OLS.