I bought the Samsung Rant about a year ago after I gave my Rumor to my mom. At first, I fell in love with the phone. It was purple (my favorite color), and it had everything a good phone should have: internet, texting, a GPS
system, and an MP3 player. It also had really good battery life. I could go for 3 days without charging it (with only texting a few times a day).
The slide-out qwerty keyboard was also a nice addition. I also really loved the GPS feature.
It actually worked and was free of charge. After a few months, you end up having to pay for the GPS feature, so I quit using it.
Also, it sent and received text messages without text lag. The text messages show up like an IM ...