Hi, I’m in the same boat (username might be a clue!). If you’re flexible on travel as not many actual 150mm ones around, there’s a few options with 380mm or less seat tubes and reach over 400mm. Have a look at some these:
– Last bikes Clay or Coal (2018 geo will be up soon apparently but seat tubes are 370mm),
– Orange now do an xs five,
– 2018 Transition Patrol (or even Scout if you’re flexible on the travel), xs or s,
– 2018 Giant Reign or Trance (trance might be bit steep head angle at 67 deg but you could always put an angleset in),
– Knolly Warden (no importer at the moment but they can be had in th UK – email them direct to ask where,
– Vitus Sommet or Escarpe,
That’s all I can think of now.
Keep this post updated with your progress!