The Logic Sniffer is back in stock at Seeed Studio. The Open Bench Logic Sniffer is an open source logic analyzer. It’s designed to support the SUMP logic analyzer software at the lowest possible cost.
Get a Logic Sniffer for $50, with free worldwide shipping.
To anyone who is still on the fence about this; buy it! I got one about a month ago now and I love it.
Make sure you download the latest version of the SUMP software though, the one in the combined software-firmware package was outdated and didn’t work for me.