Since I couldn't easily find this information on Google, here's the checksum info for the Windows 8 Enterprise Edition x86 Evaluation iso from Microsoft (
http://msdn.microsoft.com/en-us/evalcenter/jj554510.aspx).
Filename: 9200.16384.WIN8_RTM.120725-1247_X86FRE_ENTERPRISE_EVAL_EN-US-HRM_CENA_X86FREE_EN-US_DV5.iso
Sha-1: b18e99c38177537dc2b115c3e23a8cac1c64e537
MD5: e0ba8ad5c893dd3f5b83ea77fa4946e7
I don't know why they exclude this information on that page, but here it is, for a crawler to digest.