there's ahybrid of (uk) garage/breakbeat/dub that has surfaced in britain recently; very dark and very urban. most people refer to its various permutations as Dubstep or Grime and it's both fresh and heavy. check the links below if you wanna get some insight into the general sound...
wikipedia definition: http://en.wikipedia.org/wiki/Dubstep
bbc artical on the phenomenon: http://www.bbc.co.uk/dna/collective/A10695684
uk website that posts up free dubstep mixes (Biggup Deapoh): http://www.barefiles.com/
to summarise, dubstep is fairly slow in comparison to d&b and nu-skool breaks, wit