Got a response to say that it isn't supported, sorry.

I swear I have read somewhere that the PCTV Nanostick T2 (PCTV being a Hauppauge brand) works with EyeTV. I've had a search and can't find anything relating to it, but I've sent a support query to ElGato asking.

That's Entertainment who have taken over the old Virgin/Zavvi store nearby I'm sure will fold soon. The store appears to be around 60% pre-owned CDs which certainly isn't sustainable when they're less them about (two) pound less than a brand new copy from Amazon or Play.