iMac Intel 21.5" EMC 2428 Dual Drive Kit
Did it, my imac is extreamly speedy now with the ssd compared with the origional hdd.
Tool me about two hours to do, had to have my brother help me when i was removing the logic board and screen.
Found that the logic board was extreamly hard to remove.
Good tip is to selotape the cables before removing / inserting the logic board as i traped my microphone connector underneath. Luckely i could reach it with a pair of tweesers.
Over all glad i did it.