Well I for one am soured on all crypocurrencies including bitcoin. Especially if no one has a solution for me for storing my namecoins on a windows machine.
I can't see me being able to install and learn linux in a few days.
I would be put off by the community, not cryptocurrencies.

Looks like someone posted a windows binary with added checkpoints. You might want to give it a try (though I can't vouch for them):
http://dot-bit.org/forum/viewtopic.php?p=1926#p1926After downloading the blockchain and receiving your namecoins, backup the blockchain and wallet data until this spectacle is over.
NMC is not really used for anything namespace related as of now, My take is that it had a bad start and it deserve to be used as a guinea pig.
You don't expect the technology to come and knock down the status quo in mere months do you? It took Bitcoin two years to become mainstream and it's still a failed experiment with your metrics.
Guys, the issue is not the attack itself. I think an attack like this can be beneficial, even if it disrupts network's operations. The problem is, they are trying to exploit something that's already been fixed, because that's the only attack they have. The experiment will not prove anything from the security perspective, it will however show the mobility of Namecoin users, which is IMO not a very valuable information.