First may I say what a great product UGrib is. I wish to point out that in the southern hemisphere it is usual to have the feathers on the wind arrows on the opposite side to how they are positioned for the northern hemisphere. It's a bit like the Buys-Ballot rule - if you stand with your back to the wind, the feathers should be on your left in the northern hemisphere and your right in the southern. UGrib therefore has them on the "wrong"side in the southern hemisphere. I also want to add my voice to the clamour for a MacOSX version. As I am in New Zealand I would also ask for the dateline problem to be sorted. Many thanks.