I bought a full sous vide unit and vacuum packaging in 2011 and don't use it at all now.
You may be interested in:
Sous vide chez moi?
and several posts about the steaks I cooked using sous vide
in this thread ....
... and a few other bits if you search sous and uk1 if it helps.
To be honest I bought one and now consider it one of those things I wanted rather than needed.