They are quite inexpensive.
We have had one on the bench for a while but havent had time to finish setting it up. We do know of others who have used them with success.
GPRS will frequently change IP address. Dunno why, they just do.
Requires either dyndns or a little ProgramAgent to go find the public IP address and email it out.
...unless somebody has a workaround
1 + 1 = 3 ( *** for very large values of 1)
...everybody wants a box of chocolates and long stemmed rose