Jasper, if its absorbency you want, then try TotsBots! They are easily absorbent enough to last over night, cost about £7 each (but you do need a wrap)and last for ages!
I doubt if we should really try to compare absorbency in cloth nappies and disposables, because they're like apples and oranges.... I'm sure that a disposable nappy could hold more wee than a cloth one, but.... the super-absorbent gel that's required to make it do so takes 500 years to decompose in the landfill..yeuch! Plus, the trees chopped down to make the paper bit, and the petroleum producys in the plasticky bit, and the packaging, and the petrol you use when carrying them to and from the supermarket...I could go on...
Yes, washing cloth nappies does use water, soap, electricity, etc, but it really isn't a hassle at all, and like susanmt I do feel rather vituous
Would you like to borrow a couple of Tots Bots to try? I think your baby is about the same age as dd, so a size 2 should fit!