The current Target toy sale catalogue has four Transformers items on sale, and it ends October 11th.
RID Warriors - $24 (save $5)
RID 3-step - $34 (save $5)
TF5 Deluxe - $29 (save $5)
TF5 1-step - $15 (save $4)
The catalogue is here, and the Transformers items are on page 9.
(20% off Lego too, for the Lego fans here)