OK, as promised, here's a bit more info about the Jetway JC203 case & how I adapted it to my Sam440.
I had to buy a 2.5" (laptop) SATA HD, as a 3.5" (desktop) HD is not supported by the case. I temporarily connected this to my "old Sam", duplicated the partitions using Media Toolbox (mainly by saving/reloading the RDB), and then used Workbench to copy the contents of each partition across. Workbench seemed the best solution, as it copies everything, including the soft (?) links used by the latest OS4 SDK. I used a tiny utility I wrote awhile ago (BinDif) to compare the copy against the original, to confirm the copy was identical.
I also had to buy a slimline (laptop) CD/DVD drive, as again a normal (desktop) drive is not supported by the case. I managed to find someone with
stock of an old IDE (not SATA) LiteOn DVD-RW drive. LiteOn drives can usually be easily modified (using a Windows PC) to be region-free DVD drives, some research suggested that was the case with this one, and I am happy to report that it was.
The reason I went for an IDE not SATA drive is that they still seem to a have support for analogue CD audio (as used by Payback, Quake 1, etc), and
with an appropriate Slimline Optical to SATA Adapter should work fine with the Sam. And I am happy to report that it does work exactly as expected. The tiny screws are a little fiddly though!
The actual case itself came with just about all the parts (inc. screws) I needed to fit everything. It took awhile to work out how to fit everything perfectly. One flaw is that the CD/DVD slot is covered by a metal plate, and removing this was VERY difficult - I could have easily damaged the case trying to remove it. A tip I will give is to flex the middle of the metal plate in & out repeatedly, until the 4 metal solder points break (and do NOT try to brute-force push the plate out of the case). Another flaw is that the case's power switch comes with an incredibly short cable, which will not reach the Sam's power switch connector, so I had to solder-on a longer cable (IIRC I had a similar problem with the power LED cable on my old Morex case), which is wierd since the HD LED came with a very long cable.
The case has no reset switch (which is not a problem as you still have a power switch), but slightly more annoyingly it has no power light (although not a big loss). It does have a HD light though. Oh, the case's PSU also has no SATA power connectors, so I needed a Molex-to-SATA power adapter (I happened to have a really short one which was ideal).
Nearly forgot, the biggest "gotcha" about the Jetway is that it's DC-DC PSU board is in the way of my Sam's horizontal PSU connector. However, it is only held in by two screws, and I was able to put it on the other side of the case - only held in by one screw, but it is supported in the middle by another (unused) screw-hole post (which I covered with insulation tape to avoid any possibility of a short-circuit).
Oh, and the CD/DVD drive most definitely needs a right-angled SATA connector, since there is not much space between it & the HD. The HD itself connected fine using a straight SATA connector.
I think that covers all the vaguely difficult stuff. I used the shortest cables I could find, since there isn't much spare space in the case, and it already comes with some long cables. The lack of fans (and other moving parts) means I didn't need to worry about tying the cables down, although I will do so once I am sure I won't be modifying it any further. With a bit of care I was able to make the DVD drive's front facia flush with the front of the case.
Oh, and while the 2 front USB sockets work fine, because OS4.1 does not not support the Sam's J17 connector, the CF slot doesn't (yet) work. When it (hopefully) does work, I plan to use a
CF adaptor for SD & MMC cards (which also supports SDHC!).