Sony DW-Q30A @ Newegg

Here. $43.99 shipped. Appears to be a rebadged 1635S.

it really is a 1635s rebadge:

I can’t get this drive to work with CloneDVD 2. I have the newest version. I am getting the CloneSpec 4 TCE error.

For anybody else that has this problem. I updated to the newest AnyDVD and that fixed the problem.