I don't and can't imagine using ShoZu. This tweak is from samsung-omnia.org:

Delete shozu autorun not in use

It consumes about 400kb of memory.
HKLM\init\Launcher140
delete >>>
value name:"Launch140" value data:"\Windows\shozuRcp.exe"

This doesn't eliminate program but keeps it from running at start up.

There are actually a bunch of tweaks over there:

Samsung Omnia - Login

You have to join (it's free) and keep in mind it's for the i900 (UK), so some of the tweaks may not apply or work on CDMA.