I bought a tube of Blenheim Bouquet a while back (also PIF'd a tube quite recently).
I liked it, but didn't think it was worth the price tag. The efficacy was very good, and it lathered well, but I wouldn't say it was much better than the 3Ts (which I rate a hair above Proraso).
I wasn't a big fan of the scent. I know Blenheim Bouquet gets a lot of love, and yeah, I could tell it was a sophisticated type of fragrance, but it just put me squarely in mind of Lemon Pledge.
I don't think it performs as well as Castle Forbes, which I believe is actually a little cheaper.
You think lemon Pledge and I think of Fruit loops.