moderating: sound onmouseover

sound onmouseover is now well supported:

with the release of mozilla 1.5rc1 and 18 months after a feature 
request bug report
safari v1.0
icab 2.82
IE6

Please advise when and if banner ads start abusing.

Do we have a strategy or any concepts of how this is going to be 
moderated?
compare pop-ups

thanks

Jonathan
http://www.peepo.co.uk