If you have MSDN Premium (or above) or MSDN Embedded you can now download the non-trial version of WES7 from MSDN Subscriber downloads.
Unlike the trial version where the DVDs are downloaded as up to 8 part files (rar) files each, the MSDN version is the DVD ISOs.
Reading between the lines, the IBW (32 and 64 bit) are different for trial and full versions whereas the Tookit (ICE) just requires a different key.