CloudSigma may be worth a try. You can tune CPU/RAM and HDD/SSD storage as you see fit, and they give you 7 days for free to test all the weird things you can c

CloudSigma may be worth a try. You can tune CPU/RAM and HDD/SSD storage as you see fit, and they give you 7 days for free to test all the weird things you can come up with. It's based on KVM and you can install anything by uploading an ISO. Full disclosure: crazy CloudSigma customer running FreeBSD with ZFS in the cloud :)