For American contemporary music, this sort of music is more likely referred to as "roots rock" or "alt country" or "insurgent country" or "Americana roots" or "cowpunk" and such.

Try here:

http://www.rootsrock.com/otherbands.htm

and here (intensely comprehensive links page):

http://www.insurgentcountry.com/stuff.htm

this is a decent discussion forum on these sorts of music fusions:

http://www.phreshwater.com/phorum/default.asp?CAT_ID=1

A sort of "trad country" site (another intensely comprehensive links site, from freight train boogie to El Rancho Waylon):

http://www.talentondisplay.com/kiclinks.html