I've been trying some blends as well, mostly for milk drinks. I put together a really nice one a couple of weeks ago and haven't really managed to improve on it. This week's blend wasn't bad, but still not as good. The good ones have been Brazilian based, with some Timor and another one or two origins for highlights (such as Mexican). But lunchtime today was the Timor on its own in a latte, which was very enjoyable: 