Well, jklovanc is getting hammered by the mods, but he has a point. We really aren't ready for space until you can actually do that sort of thing without a three week simulator run.
This is EXACTLY why we need to keep going round and round in LEO until it's really, really boring and second nature*. If we plan on getting past the moon, we have to develop technologies and procedures that allow us to fix things promptly.
* This is not to imply that the ONLY thing we should be doing is the ISS. We should be fu