Tannoy GLENAIR 15 vs DALI HELICON 800 MK2 ?

Hello , I am in the middle of upgrading my speakers.Here in Bulgaria there are distributors for almost every company you may think of ,but the in stock items above $5-6K are very rare ,so one have to buy his components virtually in blind... Now I have the opportunity to get Tannoy Glenair 15 which is in stock in one dealer and Dali Helicon 800 MK2 which I should take in blind ,but I read very good reviews for it,and I like the sound of the smaller models.
My system : Sony xa-5es as transport , custom made tube DAC / pre and Krell FPB300 power amp.I listen many styles of music
the tannoy is $2000 cheaper than the dali
Ill appreciate any advise from people who have the chance to compare this speakers
cheers