I noticed some errors in the above post and quite a few missing.
The Plus 4 has been out for a few months now.
New Engines
Novarossi 353 '09
Novarossi Flash .21
Novarossi S21WCS09
Novarossi Toro Nero
Novarossi Toro Nero Turbo
Novarossi S21P3XS
Novarossi S21P3XST
Novarossi S21P5XS
Novarossi S21P5XST
Novarossi N21-2T Includes roto version
Novarossi N21-5T Includes roto version
Novarossi N21-7T Includes roto version
Novarossi N21B09 Includes Pull and roto versions
Novarossi N21R7
Novarossi S21R09

They discontinued alot of engines as well.