Interesting debate is published in JACC Apr 12, 2011 issue. The following two articles debate the issue.
Surawicz B, Macfarlane PW. Inappropriate and confusing electrocardiographic terms. J-wave syndrome and early repolarization. JACC 2011;57:1584-86.
Antzelevitch C, Yan GX, Viskin S. Rationale for the use of the terms J-wave syndromes and Early repolarization. JACC 2011;57:1587-90.