I e-mail too but find that the e-mails are not answered very often - sometimes, but not many. Kind of surprising, because with an e-mail it's easy to just hit "reply" and say something like "send your demo" or "not interested at this time". On the other hand if you keep calling you MAY eventually get them on the phone, except for the ones who never pick up the phone and just have all calls answered by the machine. Then I guess they sort through the ones they want to return. Very frustrating!