Although the hardware would be suitable for apache HTML hosting. I think you might want to increase the spec a little. I would suggest upping the ram to 512mb. It is soo cheap now to buy ram that its almost the first step.
As for the the post problem, i would work a way round this as eZ works best with template compile on.
tony
Tony Wood : twitter.com/tonywood
Vision with Technology
Experts in eZ Publish consulting & development