International;
there are a variety of businesses that are attractive on nyse incl brk.a or brk.b (whichever is in your range), wmt, c, ge, gs, coh, wtm, luk.
pure spec was bsc. Unfort, this did not turn out. But again if you purely distinguish between the brk.b's of this world and dont let your two portfolio's intertwine...we should do perfectly fine.