In this moment EuCon + Steinberg could not be the best option. EuCon does not work well in a lot of systems (crashes, lost of connection, etc). Do quick search and you will be amazed. Furthermore, EuCon, by itself, is full of nasty bugs, so it's not a good move now.
Nuendo 6.5.40 / Cubase 8.0.10
Mac Pro 3,1 Octo 2.8 Mhz, 8GB RAM, OS X 10.8.4
RME HDSPe, UAD2 Quad, 6.5.2, Novation Nocturne (as MIDI device), Unitor 8 (x2), ESI Pro MIDI, Blackmagic Intensity Pro
MacBook Air 4,2 4GB RAM, OS X 10.9.2
MacBook Pro Mid 2014 16GB RAM, OS X10.10.2