Interesting resources to reduce the amount of sms you send

If you want to send an email to someone's phone that only has text messaging you can use this handy list of provider gateway's

T-Mobile: phonenumber@tmomail.net
Virgin Mobile: phonenumber@vmobl.com
Cingular: phonenumber@cingularme.com
Sprint: phonenumber@messaging.sprintpcs.com
Verizon: phonenumber@vtext.com
Nextel: phonenumber@messaging.nextel.com
US Cellular: phonenumber@email.uscc.net
SunCom: phonenumber@tms.suncom.com
Powertel: phonenumber@ptel.net
AT&T: phonenumber@txt.att.net
Alltel: phonenumber@message.alltel.com
Metro PCS: phonenumber@MyMetroPcs.com
Helio:phonenumber@myhelio.com
Cricket:phonenumber@sms.mycricket.com
Centennial Wireless:phonenumber@cwemail.com

I found some of this info from Tech Recipes via Lifehacker, but the real cache is on Notepage