The BlackBerry Curve 8900 is the thinnest and lightest full-QWERTY phone RIM has ever made.  It also occupies a premium position in T-mobile’s smartphone lineup.  Read on to find out how the Curve 8900 stacks up against BlackBerries from other carriers and other smartphones at large.

We previously covered Twitterberry, at the time the de facto Twitter app for BlackBerry users.  A lot has changed since then.  Since TweetGenius is currently back in closed beta, that means that newcomer UberTwitter is now our favorite way to tweet on a BlackBerry.

The initial reviews of the BlackBerry Storm 9530 when it first came out were not exactly glowing.  A few firmware updates later, has it improved much?  To answer this question, we lived with the Storm for two months to see how well it fits in the life of a young mobile professional (maybe we are giving ourselves too much credit there).

We mentioned TwitterBerry before as a way to check Twitter from your BlackBerry.  Well I have been using it for the past few weeks, so read on for some hands-on impressions.

Last week, we talked a lot about Twitter (follow us @justplaintech).  Though the blog-o-sphere thinks Twitter is the best thing since sliced bread, many of you may not know what it is.

Information about RIM’s new touchscreen BlackBerry is out, click to find out more.

RIM officially announced the BlackBerry Pearl Flip 8220 today, the BlackBerry with a flip design.  Read on for details.