Hey everyone, the newbie has a question

I'm looking at buying a Pioneer DEH-5750MP For my 01 Civic Vi, but i don't really know what else i need (eg. wiring harness, extra stuff to mount the headunit, etc.) for the install.

On top of that, I've been scouring Google looking for how to remove the OEM headunit...but I still haven't found anything that tells me how to do it for this model...why couldn't they sell the Vi in the US and make it easier for me

Anyway, any help regarding that stuff and maybe any other tips or pointers (like if that headunit was shizen) would be greatly appreciated! Thanks heaps.