A selection from the UK importers of DRC, Petrus, etc, of which two-thirds are under £20 a bottle and seven are under a tenner.
Most importers and merchants would bite your hand off for an exclusive agreement with Domaine de la Romanée-Conti, and Corney & Barrow have many such agreements in their portfolio, including Petrus, Champagne Salon, Domaine Leflaive, Clos de Tart and Giacomo Conterno. (See this list of exclusive producers on their website.)
Jancis’s description of the recent DRC tasting at C&B's London HQ close to the Thames (above) certainly gives the impression of a hallowed moment in the hushed temple...