 Pesachim (three volumes).  A friend whose research has focused heavily on related topics bought us Ta'anit (or, as Artscroll would have it, Ta'anis).  There's just a lot more you can say with a volume of Talmud than with a blender, even a tangerine-colored one.</p>

<p>Looking at our registry online -- something I do a little more often than I care to admit -- I can tell that people have also already bought us Shabbat, Bava Metzia, and Avodah Zarah, but we have not received the books or the accompanying id