umm, the ability to not be bypassed, are most of them powered by something that can be easily disabled or cut off?
i really want the 2way-warns you when its being jacked- remote.
thats really important to me, not that i could do that much to stop them lol.
an immobiliser is pretty important, but id say i should be more afraid of my future sound system being stolen than my 93 prelude.