the weekly Kompakt distribution lists
resident advisor reviews (paying attention to the names rather than the reviews)
textura reviews

every now and then looking at beatport charts and that house trax site that the name of which escapes me at the moment...

and then use these things to cobble together my own wishlist as far as electronic/dance music. try to get as much info from as few sources as possible, so I don't have to be following everything all the time