Most stores across the EU will be getting deliveries over the next month or 2 for new stock, i know in the UK and Norway it has started coming in, but as different companies have different set ups, unless you want something specific, then hard to know when stores get it in...
My guess would be keep an eye on the net stores, and see when they actually go from preorder to in-stock for whatever it is you want, then start looking in brick and mortar stores...
If it is something very specific, then find a store NOW, and get them to order it in, as if popular, limited stock will apply....
My local store, will give a little extra discount when pre-ordering as it is a guaranteed sale they know they are getting..
Height 5"11, Weight 200-210lbs, Born 1969
Regular Stance, Ability NOT GOOD
2102/13 114 days
K2 Jibpan 153, K2 Fastplant 154, Ride DH2 158, Endeavour Vice 155