<font face="Verdana, Arial, Helvetica, sans-serif" size="2">In theory 2003 paper SWU's and 2004 e-SWU's are more or less equivalent to Sweetspots.</font>
I'd disagree with that "more or less equal" generalization. Sweet Spots were valid to Region 2 (International) on L, S and Ts. Revised 2003s and the new 2004s are not. And
that's a big difference, IMHO.