Stopped at Best Buy last night and picked up a bunch of clearance items. Looks like these are online and in store as well.
1. 6.99 5.99 Nyko PowerPak+ Gaming Console Battery Grip (for 3DS non-XL only, found this for 2.99 in store)
2. 19.99 6.99 Power A Mini Transporter for Nintendo DS, DS...