The EX is sold out but the REGs are shipping in batches. You can still PO a REG. The problem is that the color scheme seems to have changed on these new batches. His cape and boots seem to be a much darker shade of red now. SSC even changed the website pics to reflect the changes. IMO, the 1st batches had a much more vibrant red color on his cape and boots that looked much better.
I personally think this is the BEST Supes statue ever made. It just looks phenomenal. If I could only have one Supes statue for my collection, this would definitely be the one. If you are a Superman fan, I strongly suggest picking one up. If you PO from SSC they will wait until they have enough POs to run a batch. Who knows when it will ship to you? Also, the cape and boots will be a much darker shade of red. I personally like the color red that was used in the 1st batch on this PF. IMO, it looks much more vibrant and livelier than the darker red they are using now. If I were you, I'd be looking to the forums or ebay and trying to pick up an EX. You are guaranteed to get a Supes PF with the brighter red paint apps on his cape and boots. You'll also get the EX head sculpt as well. IMO, it's worth the extra dollars to pick up the EX in the aftermarket.