http://www.thomann.de/fi/denon_dn_hp_1000.htm
http://www.thomann.de/fi/audio_technica_athpro700.htm
http://www.thomann.de/fi/pioneer_hdj1000_gold_limited.htm
http://www.thomann.de/fi/akg_k_181_dj.htm

What would you recommend out of these options? Focus is mainly on listening, practising to make some techno music and sometimes gaming.

Audio technica

wheres sennheiser =(

my roommate has some nice sennheisers that cost him $250 USD. forget the model, and I tried out some Bose headphones that were super comfortable for $150 USD

i know that's not what you're asking about, but i'd recommend either of those headphones to a friend

I think you can buy a Denon AH-D2000 for that price.
Dj headphones are just made purely for practising drums, and other loud instruments. I have the Denon AH-D2000 at home, and they're perfect for listening. They're quite good at gaming, because it has a "sorround-like" sound, because of the big speakers inside. As long as you won't practice drums, or anything over 80-90 decibels, these should be perfect.

this

In my opinion, Sennheiser are overpriced until we reach Sennheiser 595, but i would recommend 650. Else don't buy Sennheiser for real listening, and practising.