Best websites to find new songs

[Plebings]

I usually find new acts with pitchfork.com - might not be your taste though (find out though!)

[BoomItsClowgon]

pjbutta.com iz good.

[Frisky]

I use:
http://www.dirrtyremixes.com/category/trackz/
http://www.chartsingles.net/release-schedule/singles/
http://www.mediatraffic.de/tracks.htm
http://www.mediatraffic.de/albums.htm
http://www.newuksinglereleases.co.uk/
http://www.apple.com/euro/itunes/charts/top10songs.html
http://www.bbc.co.uk/radio1/chart/singles.shtml
http://www.bbc.co.uk/radio1/playlist/
http://www.billboard.com/charts/hot-100#/charts/hot-100
http://www.bbc.co.uk/radio2/music/playlist/index.shtml
http://www.theofficialcharts.com/

Although the new releases websites never really update much