Have you guys considered using PSP Video Express? It can decode RV to MP4 as well wor~
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Create your own PSP video, movies in 2 clicks. This software converts video files for optimized playback on PSP. Fast conversion, plus advanced video editing can't be found elsewhere. And it's FREE! PSP Video Express helps to synchronize video between PSP and PC as well. Easy to use and designed for dummies. It shows pie chart of memory card usage, keeps your PSP video library, captures video thumbnails, changes video title, etc. PSP Video Express is the only software product that can capture video thumbnails during preview/recording (what you see is what you get). PSP Video Express's built-in PSP video explorer window shows you PSP video filenames, titles together side by side. PSP Video Express is an ultra-fast PSP video converter and more than a converter. Get it now for a great value. * The software supports most comprehensive video formats: DivX/XviD video, avi, wmv, mpg, mpeg, dat(VCD), rm, rmvb, Tivo2Go, etc. * Converter supports 320x240, 368x208 or 400x192 resolutions for optimized video playback on Sony PSP.