Finished that yesterday with golds, but it wasn't easy. The Alfa on Eiger and the Ferrari in Monza should be not so hard, but I found the Toscana at night in the Murcielago outright impossible without a little help. That was simply due to the fact that I couldn't see where to go. The "high-beam" for my taste lights the road ahead way too short, so I had to a) turn on the racing line, and b) repeatedly try it until I remembered the real hairy parts (260km/h over the hill just sends you flying off, if you're not straight, heh!), and even then it took me about 20 tries to finally get that Scuderia just before the last corner. All other aids were off though.
The other tough one is the rally stage. You basically just have to try what works best for you in terms of line you choose. I found it helpful to short-shift to weaken the torque at the right moment so you get better out of the corners (standard rally technique, if I'm not mistaken). Otherwise you'll just continue to slide, if you're not straight. Sometimes less on the accelerator is more...
Monza in the Miura should not be a problem as the last event. You can outbrake the leader already before the back-straight, if you do it right. Otherwise get him out of the slip-stream on the straight.
Hope that helps!
