Nice discussion.
I find we agree on collectables as investments, and ties... Just not Veyrons...
Seriously though, great advice!
One comment - a P3/Mk4/250/917 will always be a P3/Mk4/250/917 (barring disaster), money is just money, a means to an end at best.
Buy what you love then love what you buy.
(If you're really lucky you can do it with those you really love by your side).
Tim.
P.S. I'd rather have the Mk4 than Microsoft. I bet it hasn't crashed as often...