FdrSoft have found some new Iwill BIOSes:

Iwill KK266plus (Product No. 35104) BIOS Date Code: Jan.04.2002 Iwill KK266plus-R (Product No. 35105) BIOS Date Code: Jan.04.2002 Iwill KA266plus (Product No. 32403) BIOS Date Code: Jan.04.2002 Iwill KA266plus-R (Product No. 32402) BIOS Date Code: Jan.04.2002 Iwill KD266 (Product No. 32500A) BIOS Date Code: Jan.04.2002 Iwill KD266Plus (Product No. 32501) BIOS Date Code: Jan.07.2002