Okay, so here's my schedule, for what it's worth:
August 7: Rome
August 10: Frankfurt
August 12: Hannover
August 15: Horsens
August 16: Horsens
August 18: Oslo
August 20: Helsinki
August 21: Helsinki
August 25: Moscow
August 28: Prague
August 30: Vienna
September 3: Athens
September 6: Instanbul
September 9: Tel Aviv
September 13: Zurich
September 15: Munchen
September 18: Paris
September 21: Brussel
September 22: Brussel
September 24: Lyon
September 27: Madrid
September 29: Sevilla
October 2: Coimbra
October 6: Dublin
October ?: Belfast
So I believe Rome will happen, as well as Oslo, Prague, Zurich, Lyon and Madrid. I wouldn't even be surprised if Rome would get two dates. Same for Madrid (26th)
And I don't believe St Petersburg and Budapest are going to happen.
About Tel Aviv I have strong doubts, but I included it in the schedule for benefit of the doubt sake.
As a Dutch citizen, I doubt there'll be a date in the Netherlands.
And I even think a 2nd date in Brussel is more likely than a 2nd Paris, for Brussel is easy accessible from both France and the Netherlands and also because Lyon is rumoured as well. Then again: perhaps even a second date in both Brussel AND Paris (17th) seem possible to me.
I know there are some 'gaps' in the schedule above, but come on, the band needs a break too. Same happens in the current leg.
Personally, I believe in the following schedule, though I have no inside sources or anything. So don't take it too officially
O wait, I almost forgot: I do believe in those Irish dates (despite all the weather pessimism here on the forum), based on the news that the U2 tour crew had booked hotels in Dublin.