Hello, I was in a v similar position to you. I compromised on booking an ELCS for 41 weeks agreeing I would give it a go if I went into labour, but wouldn't be induced if I went over.
Anyway, best laid plans and all that....here is a thread I started showing that sometimes things are taken out of your hands!
[http://www.mumsnet.com/Talk/childbirth/a1644594-WWYD-Im-in-early-labour-but-booked-in-for-ELCS-in-about-3-hours]
It will be 5 weeks tomorrow since I had my little boy. I know you can't predict what kind of natural birth you'll have but, I can honestly say the birth and recovery has been an absolute doddle compared to the EMCS.
I had a horrible induction last time but my CS recovery was actually pretty good I thought, so wasn't too nervous about doing it again.
I think my labour this time was actually quite tough judging by the midwives and health visitors reactions to it. But it was a million times better for me than my awful induction.
As for recovery....I went home a few hours later, was up and about straight away despite episiotomy. Could drive, life dd, basically carry on with normal life immediately.
To think that I still wouldn't be able to drive if I had the ELCS is crazy. Basic things like not being able to lift dd in and out of her cot and high hair would have been terrible in retrospect. Obviously I wouldn't have know any different and would have had to get on with it had I had the section.
So I would say go for it. I did actually get a huge sense of personal satisfaction from having a natural birth. Think it healed the emotional wounds a bit from last time.
They won't let you labour as long if things aren't progressing, so don't worry about being left for hours and hours.
I'm sorry you don't feel you'd have great support from your dh, but to be honest you would need a lot of support afterwards if you had the ELCS. Plus my midwives were absolutely amazing and really were all the support I needed....dh just handed me water when I demanded it!
Good luck with whatever you decide to do, it's a really tough choice but ultimately I hope you have a safe delivery of your new baby.