+1 for mailing the blockchain.
I can provide this from a UK address if anyone needs this.
How can we provide an md5sum from a third party if the size is constantly changing?
The other option is pay for a VPS; it can be very cheap.
I'd like to see more blockchain thirdparty hosting
You don't need to md5sum it. The client will verify it, and if new blocks come in as usual, it was good.
I'd be willing to mail a DVD of the current chain from the USA for actual postage cost. Add like $3 if you want it on M*Disc.