In short, I thought about, cost is reasonable, but the refills are expensive and short of drag racing, I think that it will not be very useful. Just my $.02... | Dan | -- Dan Simoes dans@ans.net ANS Communications http://coimbra.ans.net/dans.html 100 Manhattanville Road (914) 701-5378 (voice) Purchase, NY 10577 (914) 701-5310 (fax)