I have a set of these for my car. They look very close to the HRE P43.
They have offsets in 19x9 and 19x10 for the new M3.
http://www.yokohamatire.jp/yrc/japan...HL_BRND_CD=RSB
I went with 18x8.5 (17.8lbs) and 18x9.5 (18.5lbs). They are very light weight and very strong considering they're not forged. BMW uses them for the WTCC.
http://www.advan.com/japanese/motor_.../wtcc/news/01/