First some opinions, before others will bring photos from the hall.
Iceland is looking very good and I think it completely overshadows Sweden. It has all Sweden should have but don't. It is typically Swedish choreography, they follow each other on stage and then are joined by backing singers. Omar throws away his jacket during performance. It is perfect vocally.
Sweden has same videoeffects as at national performance (black and white ones), glamourous microphone and stairs from which Charlotte enters. Everything looks pretty weak. I can not imagine what this has to do to get remembered by non-fan audience. Especially in this first 4.
Turkey is good rock band on stage, backs need more synchronization, screens show creatures from video. Should qualify and finish in top 10.
Ukraine has small room on stage of 4 sections, they are enlighted and show backing dancers in it. This is the best part, then everything continues in typically Agurbash style with dancers jumping around Ani. Then she climbs on the top of the room and sings there. On stage is also backing vocalist known for previous Kirkorov's entries. The staging in pretty good.
More photos: http://picasaweb.google.co.uk/esckaz.com/IcelandSwedenTurkeyUkraine