Travel / Clubs, bars and general night life in Poland [13]

Sorry if this topic has been up before. But I want a up to date one so I'll make a new.

Long story short, im a 25 year old dude from Sweden who is tired on the basic 1 week all out party vacation in cyprus, spain whatever. And to be honest they are quite expensive or have a tendency to become. :)

I was checking around on the internet and found that travel to Poland is rather cheap in comparison. After some intense "googling" Poland struck me as a rather nice country hence my question.

How is the nightlife over there? Any town better than the other? And can you come down during 1 or 2 weeks over the summer and be out every night, I mean so the bars ain't closed or something like that, is that possible?

Any information would be greatly appreciated since I have to convince my friends of my new found idea as well. :)

I hope noone takes this post as disrepect from my part, im just clueless about the polish culture and it may or may not be suited for this kind of tourism.

Thanks
Peter.