i'm new to incubating and looking for a good one. there are some from Farm Innovators that have fans and turners pro series with the hard plastic outer side, and then the 1588 Genisis, then the hovabator , what one would u choose , and is there one i souldn't buy, thanks for all who can help. i got 5 pairs i'll be incubating there eggs all together so i need one large enough to do 40 or so eggs