always blows my mind that you're doing daytimey stuff as i'm going to bed wss 
tis a tough one woodlands. there's no right answer, that i know. with F I just held out from giving him that early feed so it got later and later, he'd usually go back to sleep once he'd had it so that kind of worked but was tough for a week or two or holding out from bf him til a certain time.
with A, i've been a wet blanket. totally useless at any kind of night-time discipline at all partly because she's been teething almost non-stop from about 6m and partly just cos i don't have the willpower/patience/ability to catch-up in the day second time around and i also just don't care if people are judging me for what she's doing sleep-wise like i did with pfb.
at the mo, i'm feeding her at around 5 - 6am, she'll then go back down til 7-7.30. it would be nice if she didn't wake up that early for the feed but it could be worse.
do you mind doing that extra feed? if you don't mind that much then maybe just go with the flow for a while and see what happens.
i really don't think much of what happens now sleep-wise is that meaningful. they're still huge babies really and if some of them want extra comfort, milk or whatever then i don't think you'll look back and regret giving it to them when they're way past this stage and independent little souls.
mind you - i'm saying that with F in bed with me! he appeared round the sitting room door (scaring the life out of me) at about 11.15 for the first time ever! he'd shut and locked the stairgate behind him too! he just said he wanted a cuddle. i could have put him back in his bed but it's quite nice to snuggle up to him with dh away.