Have you heard of or dealt with this company at all?

[Usernamewithnodigits]

www.paintdepot.co.uk

They offer a 10% discount on Farrow & Ball which no-one else seems to do....

Am I being irrationally sceptical?

[wowfudge]

It's 10% off your first order, an introductory offer. Google some reviews of them and take it from there.