I received my WaterField Tablet Ultimate Sleeve Case from SFBags last night. I think it is a great option. Here's my review:
Packaging - It came in a plastic envelope inside a plastic FedEx envelope. The FedEx envelope looked like it had been run over by a truck. Seriously, there were tire tracks on it. The inside envelope was torn a bit, but the case itself did not receive any damage. For such a high quality product, I think SFBags would do well to put their bags/cases in a cardboard box.
Design – The case looks great, although a bit in the rugged side versus a more refined look. I chose the brown leather trim as opposed to the Lead Indium. The flap is secured with heavy duty Velcro. There is very little chance of it accidentally opening. These cases come in a variety of sizes to accommodate different tablets. Their sizing chart recommends the 43-27 size for a naked Surface or with a Touch Cover. The fit is quite snug. If you are not careful, the edge of the cover could try to curl when inserting the Surface. I found that I just need to insert it with the magnet edge down. My only complaint about the design ascetic is the W|F logo on the front. It is a tad on the large side.
Build quality – The materials are all top shelf. The ballistic nylon is cover is nice and thick. The case is lined with Ultrasuede material that they claim is scratch free. And the leather trim is high quality leather. Very nice.
At around $70 after shipping, it is not the cheapest case out there. But I think the quality is excellent and well worth the price. I highly recommend it.
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Edit: Oh, I forgot to mention another thing I like about this case. It is made in the USA. No offense to our global members, but I try to shop local when I can.