This is Lewis' thread, well worth a look, some of the attention to detail is brilliant
http://www.saxperience.com/forum/showthread.php?t=86724
Definately right with trying a few track days etc first to see how it feels, should be spot on, but if anything the top mounts and top mount bearings will be the next thing to require tlc due to being the only original parts left.
Cant wait to get the car back now though, 6 1/2 months since the old engine came out- long time