Padless Bib Tight Options

With a decent collections of shorts already, I don't see the point in splashing out on more pads when I've got perfectly comfortable long distance bum cushions. Already have some cheaper padded DHB tights which are OK for commuting etc. but not too hot for longer distances or when its seriously baltic. Looking to get some with preferably windproof knees and crotch at least (i tend to suffer here in the cold) to use with my shorts for when its proper nose-dribblingly cold. Padless options from most manufacturers seem a bit like hen's teeth though, just the odd 1 or 2 models in vast ranges. Limit is probably 100 nicker max, fire away with your BR recommendations!
Edinburgh Revolution Curve
http://app.strava.com/athletes/1920048
http://app.strava.com/athletes/1920048
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http://bontrager.com/model/09631
http://www.planet-x-bikes.co.uk/i/q/CLP ... bib_tights
Mine have lasted a couple of winters already.
Rapha are doing them for £170 and £200.00
Colnago
Cervelo
Campagnolo
http://www.rosebikes.co.uk/products/clothing/clothing/trousersbiketrousers/trousers-long-without-seat-pad/
Also thinking about the no rain type bibs from castelli or sportful.
Any other recommendations?
These look promising from the link above, wonder if anyone has them to comment on them?
Anyone have a link to them in the UK which are easier to return if they don't fit well?
Have a look at these.