Guys - my place is a weekend location almost two hour drive from my house. There is no hardwired internet (cable, fios, DSL, etc) available. But there is cell phone service. So...this may be the same case for others with trespassing issues. I am looking into these options:

http://www.offsitecommander.com/
http://www.proxicast.com/security/security-video.htm
http://www.eyetrax.net/index.aspx#5