From DML:
Pz IV ausf E 3 in 1 (early, late, and DAK)
Pz IV ausf D 3 in 1 (early, late, and DAK)
http://runchick.hp.infoseek.co.jp/hs2005may/20.jpg
http://runchick.hp.infoseek.co.jp/hs2005may/21.jpg
From Tristar:
Pz IV C - limited edition
http://runchick.hp.infoseek.co.jp/hs2005may/27.jpg
Another SDKZ 251:
http://runchick.hp.infoseek.co.jp/hs2005may/22.jpg
BTW, there are other models you can view too just by changing the number before the .jpg extension, armor and other genres.