Hi Sarbinder,
£2K gives you a lot of up-market choices 
Loudspeakers are such a system-sound defining element,(and a heavily room dependent device into the bargain) the best advice is to try before you buy? Any dealer worth his salt will be happy to lend and setup a selection of speakers (not all at once
) for you in your own home.
More often than not speakers that sound good in the showroom, disappoint the buyer in his own home with his own amplification, so it's important that your ancillaries are used for the evaluation. Trust your ears....
All the best.....Bill.