Disappointed by Om (again)
One of the few good labels available on the iTunes Spanish shop is Om. You can find some out of print EPs and some unreleased material, which is great.
But one thing I do not understand is how the guys sell their songs mixed. I downloaded few songs, couple of them simply were not complete. They just ended abruptly or ended with some beats of next song attached to it which makes the listening unpleasant. I asked iTunes for my money back. No response so far. Is it that difficult for Om to offer the COMPLETE songs to download?

... and Impressed by Freerange
Things seems to be moving in Freerange records. They are also one of the few good labels available on iTunes. They are offering not only their back catalogue but also they offer exclusive compilations with hard to find releases of their back catalogue (see their virtual vinyl release).
Also they are relasing end of this month their second 'Colour Series' compilation. The tracklist is very very promising and includes two Jimpster remixes, an Atjazz remix, a Kirk Degiorgio track, a Mr Fingers remix!!! and more.
Can't wait.