If you think that this won't be abused, you're foolish.
Paul Timmins gave a speech at NotACon in 2008 (or maybe 2009) about his experiences with getting arrested for the Lowe's breach in 2005. In the agents vigor to seize equipment for a search warrant, they tried taking his cable TV boxes, amongst everything else with a cord.
It's my fear that if anything ever happens and they come beating down my door for any reason -- right or wrong -- and see my desk with three computers and four monitors on it, that they'll find a way to think that I'm "hacking" and then I'll be screwed -- no way to work equals no money for a criminal defense (and no money to make bail and leave jail) in most cases.
The seizure laws need to be reduced, not expanded...