Several weeks ago I read a thread somewhere about problems with brake pressure switches requiring too high a foot pressure to activate the switch. I couldn't find that thread, so I'll post a new thread...I noticed yesterday while looking at the Pure Choice Motorsports website that they have low pressure switches available.
http://www.purechoicemotorsports.com/index.cfm/page/ptype=results/category_id=96/mode=cat/cat96.htm