Luves diapers work great- My child drinks a lot and these diapers still fit the bill- even overnight.  I appreciate that they are a lower-priced option to the Pampers brand (which is my favorite).  I actually like Luvs more than Huggies for both of my children (8 month old and 3-1/2 year old who is still wearing diapers at night). 

I have tried store brands just out of curiosity and they don't compare to Luvs.  I recently bought a package of store brand diapers and after using three decided to throw them away.  I believe that Luvs is very close in quality to Pampers (with a couple of exceptions...