Aliyah i agree i loved the Natriflow pump when i tried it after my mother's club were all chatting about it one day.  Admittedly i had never heard of Cherub Baby and was  a little concerned about buying a breast pump online but was very happy with the results.  Mine also squeaks a little only if damp but is ok when it has time to dry overnight. I was also happy with the ease of use as the manual one i hired first was a little annoying after a while.

I bought this new on Ebay as my old Tommee Tippee manual pump broke (it was 3 years old!) - I find it really good value for money (RRP is $90 but I won it for $6.50 plus $18 p&h!!). It pumps well, is comfortable to use and is easy to put together. It fits well into my microwave steriliser. The Tommee Tippee one used to hurt my hands, but this one just doesn't! The only bad thing I'd say about it is that it gets a bit creaky and squeaky sometimes, but that's usually if there's a bit of moisture in it from washing it.