<p>Although the Subject Tests are not released regularly like the SATs, there are at least some tests. The CB publishes the Real SAT IIs that has 1 copy of virtually every exam. The U of Texas also has a second Math 2 and Math 1 exam available for prospective applicants (you just need to register).</p>
<p>The CB site also has sample problems available for each of the exams. The Barron's questions are just way to hard. Try McGraw Hill or Russ Meylani.</p>