Well, I don’t see why you should have to choose between Madrid and Pamplona, and if you’re not going to be there for Sanfermines festival (6th-14h July), then drop Pamplona altogether. The rest of your itinerary looks pretty good. Figure out how long this trip will be (2 weeks? 3 weeks?), and take it to the Favorite Places forum.

I have to say you are asking for too much. The regulars could write you an entire book on your questions. There are so many pubs and bars in each city, wait till you get to your party hostel and every one will tell you the hot spot from the night before and join your hostel mates on a pub crawl or to a club. Hot bars and clubs change every year. Check with people you meet on the trains and at the hostels.
First, read over ALL the posts on this site.
Second, read guidebooks like, Let’s Go and Lonely Planet on the cities that you plan to visit. Hot tips, bars, clubs and travel warnings.
Third, Look up hotels on this site’s search engine and see which ones are highly rated.
Fourth, Put all the information that you have read about and you have all the answers to your questions.

ok…ive updated my itinerary. ill be starting my trip in Dublin for 4 days, then over to Glasgow for 4 days(maybe with a day/night trip over to Edinburgh), then down to London for 3 days, on to Amsterdam for 4 or 5 days, then maybe somewhere in Germany i havent decided yet, and finally on to Praha for 4 days. so lemme know what you think. thanks :]