Important news for you new D5100 shooters. Adobe has released their new Camera RAW module which includes support for the D5100 .NEF files. You can download the ACR installer from Adobe.
Adobe Camera RAW 6.4 for Macintosh
Adobe Camera RAW 6.4 for Windows
Please be aware that ACR 6.4 is only compatible with Photoshop CS5 and Lightroom 3. If you're running an earlier version of these programs use the Adobe DNG converter.
Adobe DNG Converter for Macintosh
Adobe DNG Converter for Windows
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