There's nothing wrong with high mileage cars, but don't forget, it'll have even more on it by the time you come to change it, so any saving you make by buying one now will be wiped out when you struggle to get a decent price for it.
Making assumptions here, but if you buy one with 100k on it and put 50k on it in 3 years, there won't be that many people prepared to buy a 150k car unless it's very cheap.
As for the Silver one with Vancouvers... Mmmmmm leather. 
Very good points made, and as for the silver one should be viewing that today

I personally am a fan of high mileage cars particulalrly ex lease vehicles. If I give you an example of the car I just sold a 2005 Mercedes C180k Sport. bought 3 years old, ex lease with 100K on the clock. kept it for 4 years and sold the other day with 180k on the clock. Whilst it was a ex lease vehicle car it only sat on the motorway always serviced by the main dealer and was like brand new when i bought it (minus the stone chips on the bonnet

) I then had it for another 4 years, kept the servicing up and it never had even a single problem.
bought it 4 years ago for £7000 and sold it 4 years and 80,000 miles later for £3000. Sold within 24 hours of puttng an advert up to the first person that came to see it. Depreciation was £1000 a year, all things considered I think the savings here are emmence in comparison to buying a low mileage car which with the miles i do is going to become high mileage buy the end of it anyway.