X Exporter is a high quality exporter for 3ds max 2013 64-bit,
One thing it does that others don't is flat shading export for wood effects
it saves highly optimized models
Saves Flexible Vertex Format so you can determine Vertex formats from loading a mesh at runtime
You can download it from the website
On the website you will find a bit of documentation
drop me an email if you need to contact me contact@brightstrings.com
I didn't manage yet to get multitexturing data out of 3dsmax through the panda X exporter I use
Use multi-subobject material 
you can use HLSL with my exporter if you export 1, 2 map channels for multi-texturing, good luck, thanks
tangents and normals I think can be stored in D3DXFVF_XYZB1 and D3DXFVF_XYZB2
I haven't had the time to work on this but I will do it. Doing it now.
the exporter is only compiled for 64-bit 3ds max 2013 as of yet.
it won't work with 2012
Good luck. You might want to try axe exporter.
