Depends on how much you have left. If it's only enough for one session I'd wait til tomorrow. If you have plenty, both.
dude.... i was literally having this same debate with myself cos i wont be picking up till next paycheck and i only have a fat bowl of kief left and my roomates are dry as well. i say lets smoke. its sunday, whole new week starts in just a few hours (in my time zone at least), whats a better way to start the new week?