MSR Groundhogs are the most versatile all-around stake IMO. Not the cheapest, not the lightest but they can take a beating and will hold well under most conditions. Sure, I would prefer to carry uber-lite titanium needles but they are just dead weight if they can't do the job.
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If you only travel on sunny days you will never reach your destination.*

* May not apply at certain latitudes in Canada and elsewhere.