I'll second the oatly option. Steams well, you can still taste the coffee, instead of just soy/almond. For me it is the best non-dairy milk alternative, and closest to regular milk.
Oatly are actually doing a pop-up in the shoreditch boxpark at the mo, with free coffee if you try it with oat milk.
What's the latest view on dairy free milk for nice esprssso based brews?
I drink black but partner has milky drinks and we're looking at non-dairy options.
Ta.