This is my recent Professional Manual Flash purchase in a "very" long time. To give you some idea how long it has been. I plan for this unit to replace my aging fleet of Vivitar 285 and 283 units. The LP 180 is powered by the same AA batteries. This unit also has a "High Voltage" behind a door.
I am a BIG fan of the "strobist" know has David Hobby. His Off-Camera Flash Blog has a very high number of followers. http://www.strobist.blogspot.com His advise, tips, and trick have been useful to me over the last several years.
If you want more information on my evaluation you will have to wait. This is an impressive piece of professional photography equipment. Check out the link at the top.