I have been using the Composter for about a month. The Compost is developing and I am still adding to the first batch. The second composter is still empty. The unit has small flies (normal) but has little oder and is very easy to add material, rotate to mix and will be easy to empty. I really love the dual composter concept. When if finally get to the second composter/batch I'll have plenty of time for the first batch to cook and complete the final conversion to compost. I even through a chicken in there 3 weeks ago and currently don't see any remains. 
Assemply was somewhat easy. I did some assembly after sunset and had to disassemble and reassembly the composter drum, but it only resulted in a little extra time.