Id suggest you look at this
http://www.mevltd.co.uk/mev/124_IVA_...rsion_1010.pdf I think it might be slightly out of date but it a very good starting point.
Read through it and check all that you can.
Things to watch out for are radius failures on wings etc, and covering nuts and bolts in the front suspension area.
An MOT is a good idea, I had one before my IVA and it picked up a couple of things