OOooo, you're going to be having some fun, i see wishbones, discs & pads, new poly doughnut & new bearings for the suspension (i have this set up) new coilovers (i also have those) the pain in the arse is the wishbones, you'll prob have to cut the old ones off mate, they rearely come out, you may get the rear ones out but the front ones usually rust & won't come out of the old bearings, hence Mr anglegrinder with cutting discs coming out to play

Best measure the new wishbones up with the old ones as some places have the wrong ones for the GTT, pass side i think & they are wider tracked by an inch..... Not good to find that out after you have fitted them :evil:
That seat looks alot more comfy than mine as well

You will find the coilovers may look high on the pass side due to the weight so it may have to come slightly lower that side, thats how i set mine up anyway.