Still seems to be available on the IcyDock website and several ebay resellers:
http://www.icydock.com/product/mb448ar.html
Double check you get one that is NOT SATA, and can support an IDE internal 2.5" drive (PATA IDE) and has an external USB AND IDE interface and not just USB.
em Number: Beige
MB448AR
Item Number: Black
MB4448AR-B
Internal Host
40 pin IDE
External Usage Host
N/A
Drive Fit
1 x 2.5? ATA100
Drive Bay
1 x 3.5?
Transfer Rate
Internal usage : 100 100 MB/sec.
Insert & Extract connection Via
Extraction circuit board within cartridge
Cartridge Structure
Aluminum body w/ partial plastic
Drive Cooling
Aluminum heat dispersion
LED Indication
Device Power & Drive Activity
LED Display Color
Cool Blue
Drive Security
Lockable switch when used internally
Internal Receiver Dimension
(L x W x H)
172.0 x 100.0 x 25.0 mm
Dimension (LxWxH)
123.0 x 75.0 x 19.0 mm
Full Unit Weight
0.80 lbs
Cartridge Weight
0.20 lbs.
Compatible Cartridge : Beige
MB448ARCK
Compatible Drive Tray : Black
MB448ARCK-B
M
's'allbollocksinnit.