i came across this little tool. i have not tried it yet, but it supports some 300 + formats (even has texture and shader support )
and it's dirt cheap (plus free 40 day trial), too good to be true?!
SimplyMaya specialises in Maya tutorials. We offer over 1,000 individual Maya training videos, ranging from basic Maya tutorials through to intermediate Maya tutorials. Our tutorials are created by instructors with industry experience and are designed to get you up and running in Maya quickly without making it seem like hard work.