RIM BlackBerry Curve[1]
The Rim BlackBerry Curve 3G 9300 for ATT is similar to the Curve 3G we reviewed for T-Mobile. It has the full QWERTY keyboard, of course, in addition to the optical trackpad, GPS, dedicated media keys.
What makes RIM BlackBerry Curve perfect to watch movie?
RIM BlackBerry Curve is equipped with 2-megapixel camera, microSD/SDHC slot with support for 32GB cards, and 3G support. AT&T will also make the U-Verse Mobile app available if you happen to be a U-Verse TV customer. The U-Verse Mobile app lets you manage your DVR recordings. As with the other Curve 3Gs, the one for AT&T is also BlackBerry OS 6-ready, and is expected to be coming to the handset "in the coming months." The Curve 3G 9300 is available now for $99.99 after rebates and a new two-year agreement.
Note that, RIM BlackBerry Curve not for HD MKV[2] video
MKV video, also wel-known as Matroska video takes lots of advantages on modern codec. And some users would like to rip Blu-ray movie to MKV or convert AVCHD M2TS recordings to MKV to maximally preserve video quality. Although MKV is more and more popular on computer, and even Windows 7 supports playback MKV video natively, you may find the RIM BlackBerry Curve does not recognize MKV files. This is because MKV is just a container format which can contain various codecs, only a small subset of which (e.g. H.264, Xvid) the RIM BlackBerry Curve can play.
How to Play and Watch MKV on RIM BlackBerry Curve
In fact you simply need a power Video Converter software to transcode your MKV video to RIM BlackBerry Curve recognizable video format, for instance convert MKV to MP4. WinX HD Video Converter Deluxe is just masterful at the job of converting MKV to RIM BlackBerry Curve. Free Download >>

Convert MKV to RIM BlackBerry Curve
Step 1: Import your target HD MKV video by clicking Add File button.
Step 2: Choose To Cell Phone as main category and To BlackBerry as subcategory.
Step 3: Set output destination by clicking Browse button.
Step 4: Right click Start button to begin your MKV to RIM BlackBerry Curve conversion.
Want to Learn detailed tutorial on How to Convert MKV to RIM BlackBerry Curve >>
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Related Software
WinX HD Video Converter Deluxe : built-in more than 210 video/audio codecs, it is perfect for HD Video Converting, multi-functions as HD Video Converter, DVD Burner and Website Video Downloader. Without any third-party codec, it support Multi-track HD M2TS, MKV, AVCHD and MPEG-TS video.
WinX HD Video Converter for Mac: professional converter for converting HD Videos on Mac OS, provides the perfect solution to convert Blu-ray videos and videos from HDTV and HD camcorders, like JVC, Panasonic, Sony and Cannon to other formats. Running perfectly on Mac OS X Tiger/Leopard/Snow Leopard.
Related Source
Convert M2TS to MKV: Convert M2TS to MKV, Compress HD M2TS to MKV - Keep Image Quality
Rip Blu-ray to MKV: Rip Blu-ray to MKV, Decrypt Blu-ray - Convert all Tracks to Matroska on the Fly
Convert MKV to MP4: Convert MKV to MP4, Play MKV on New iPod touch iOS 4 MP4 M4V Video
Convert MKV to iPhone: Convert MKV to iPhone MP4/M4V to play Matroska on iPhone 960 x 960 Retina Display
Convert MKV to iPad: Convert MKV to iPad MP4/M4V to play Matroska on iPad 1024 x 768 LED Display
Related External Source
[1]: RIM BlackBerry Curve - RIM BlackBerry Curve learning from Cnet Editorial Review
[2]: MKV Video - Free Open Source HD Video format, born with future designs