Karlos wrote:
Use the persuadertron to get a full cryo chamber early on, you can use the agents therein to store weapons.
On one of the early missions (I can't remember where) where you have to persuade a guy in it (west of the start, the start is near a long tunnel going north) I have this tendancy to equip everyone with a persuadatron and take a long walk round to the guy saying hello to everyone on the level :-D