:o cool, SFTP works with ST3!
Mr. Bond is indeed on a tear. SFTP 1.11.3 installed from PC 2.0 in ST3 on OS X. I copied my ST2 Packages/User/sftp_servers directory and SFTP.sublime-settings file into ST3's parallel location, and all seems well. That makes ST2 vestigial to my world. Good.