[mz pnut]

Is there an application out there that lets you lock notes in your MemoPad?

[tonj]

I don't think it is possible. Why not use Password Keeper to store those private notes? Another option: http://www.blackberry.com/devicesoft...do?code=wallet

[heffman]

...could just password protect the whole device.

[JSanders]

All or nothing, the whole device or none.

[akosnitzky]

Wirelessly posted (Verizon 8830)

All or nothing indeed.