Larry Jaques writes:

On Tue, 24 Jun 2008 16:21:42 -0500, with neither quill nor qualm, Don
Foreman quickly quoth:

Lincoln SP125+ or later version (135+, 140+ whatever). Avoid imports.
These little red boxes really do work a lot better than the
similar-looking imports, and you can get parts for them.

Are Clarke products imports? I've seen them on eBay for considerably
cheaper prices than Lincoln and Miller.

Yes, but (last I heard this was still true) from Italy, not the far
east.