Which wide band lamda for EFI V1

[sheepdip]

Need a wide band lamda kit to use with EFI live V1 any ideas and prices please.

[sheepdip]

Trigger wheels do a SLC2 pure- Plus 2 for £200. What do you think?
It has configurable outputs which I guess I can connect to the EFI for logging. Also I could use it on non LS powered vehicles to data log as you can input RPM etc.