Dragged some old laptops out of the closet:
Compaq Evo N600C P3 800
Thinkpad T40 2373 P3 1.5
I had previously upgraded the HD and memory in the Compaq a couple of years ago and also had a spare N600C which is good because that one appears to have several issues so I used the parts from that one to fix the other one and was able to verify that serveral 9x games that don't work in newer versions of Windows actually work fine in 9x.
For the Thinkpad I've orderd:
msata SSD to IDE adapter
If the Thinkpad turns out to still work then the plan for these two laptops is that they will be used for 98SE/NT4 testing.
I'm also wondering if wined3d can be used on NT4 for D3D games.
Both laptops have Radeon Mobility video chipsets which support DX7 and OpenGL and support all the way up to Windows 7 (using XPDM drivers).