Hi Donna. Here are links for reviews for different Blackberry Curve models. This will help you find out how good these phones really are.
BlackBerry Curve 8300 reviews
BlackBerry 8310 Curve reviews
BlackBerry 8320 Curve reviews
BlackBerry 8330 Curve reviews
BlackBerry Curve 8350i reviews
BlackBerry Curve 8900 reviews
BlackBerry 8520 Curve reviews
BlackBerry 8530 Curve reviews
Pros: Powerful, capable, fast. Trackball interface a competent alternative to “touchscreen”. Deep feature set. Quality build materials.
Cons: Some deeper functions remain a bit cryptic for the lay user, but still within reach.
Verdict: The BlackBerry 8900 Curve can mix it up with any smartphone on the market. And yes, it's a good phone.
To learn more about Blackberry Curve, visit Blackberry Curve page here on cell phones etc website.