hi Mike,

I purchased (10 months ago) & recommend the Kaces Porter III, model #KKP9KB case for transporting the Tyros. I'd give it 4 stars.
http://www.aceproducts.com/porter.html

The KKP9KB's interior length & width dimensions closely match the Tyros . The kb case thickness is about 2" thicker than the kb, so I highly recommend purchasing a piece of 2" thick foam (inexpensive) from a local foam bed store, cut to the same dimensions as the case interior. This keeps the keyboard from moving around in the case as well as provides additional padded protection to the top of the kb (keys, buttons & screen). The Kaces Porter Kase is idea for daily gig transport as it's both lightweight yet provides adequately padded protection, though not ATA airline certificable. I think the Tyros & Kaces Porter a terrific lightweight combo. I also got mine at my local Guitar Center for $99.

The only criticism I have about Kaces III cases is the handle. The older model Kaces Porter w/wheels case (which I use for my PSR2000) has a 'retractable' handle which makes the case a lot easier to maneuver because the handle (extends out from the end of the case about 6-8 inches) creating a more comfortable pulling angle, while the newer Kaces III model uses a plastic handle which pivots directly on the end of the case itself creating a far less comfortable pulling position. Other than that, the other areas of case construction (durability & stitching) seem improved over the previous model Kaces Porter cases. If only they would have retained the retractable handle, I'd given the Kaces III 5 stars. Mike, I look forward to hearing your thoughts regarding your Kaces Porter case after you get yours. - Scott