anyone like Korean R&b/pop bands like big bang, DBSK artist like Rain (bi) and Se7en who released a single in the u.s. with lil Kim, BoA etc?

Out of the artists you listed Ive only listened to BoA and didnt care for them much. I'll go hear out the other ones you've listed and see if i like them or not.:

Edit: I actually like Boa with Mflo and Koda Kumi

well big bang is just one of many boy bands in the k-r&b /pop arena. if you like boy bands lol and bright colorful boy bands at that you might like big bang here the url for their video gara gara go!
http://www.youtube.com/watch?v=cE5Aj_twTH0 and for a more hip hop sound there new video lalala at http://www.youtube.com/watch?v=JYmKVTutkVk&feature=fvsr
I like BoA's older stuff like http://www.youtube.com/watch?v=lLALnwWAHb0
I like to listen and watch k-pop for fun it just seems fun (and sometimes creative) to watch.
Rain is very popular (i believe he's a good r&b singer he did a song with omarion
(lol) and a visit the U.S. MTV studios this is the first video I've seen by him years ago sans the subs lol http://www.youtube.com/watch?v=rW47QXJv ... re=related

uh oops i posted wrong vid for Bing bangs Gara gara go! that was there live performance this is their mv http://www.youtube.com/watch?v=rW47QXJv ... re=related

uh oops i posted wrong vid for Big bangs Gara gara go! that was there live performance this is their mv http://www.youtube.com/watch?v=rW47QXJv ... re=related