Janie Not to frighten you, but be careful with aromatic oils and balms, some of them are not recommended in pregnancy...
Salt water is great, if you can stomach it 
I've just realised that I'm not completely symptom-less... I've started to wake up with a very blocked nose now, which I remember all too well from my last pregnancy, only then it started much later! It's really annoying, I think it's called pregnancy rhinitis, you just end up constantly blowing your nose!
However, I'd rather have that instead of ms...
It is amazing how much you forget! DS will be 2 in May, but looking back now, the pregnancy all seems a haze... The more I think about it, the more I remember the details, and I have to say, not all is good
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I do look forward to being able to ask for lots of back and foot rubs from DH 