Cutting out the postman.

Air-mail prices from the UK have risen. This won't immediately affect my prices or the proportion of registration fees I can donate to charity, since my other costs should remain unchanged for the moment, but in the long term it may be necessary to make changes. One possibility I'm considering is offering the FF CD-ROM and Charity CDs as downloads, zipped CD-ROM image, with postal costs removed from their pricing, but both would be VERY large downloads, several hundred megabytes.

What I need to consider is how useful this would be, and if it'd impact my costs for e.g. my web site. So, a couple of questions:

[Poll #1385466]