a. I notice that there are updates (march is the one I downloaded).  That removes my installed CD courseware right?  If I want that on my new updated image, I need to move them, is that correct?
Correct. The new image will not have the classes. You will need to back those up before running the update.
b.  What do you guys suggest for a WIFI adapter for the Storm that can be used in Demo 7 WIFI, but I also need to connect to the 5Mhz networks in my office.
The WiFi adapter in our Galeforce 10 Kit is the TP-LINK TL-WN722N N150 High-Gain Wireless USB Adapter.It is the recommended adapter. It works at 5GHz for 802.11n, however if you mean 5 GHz for 802.11a then the only Kali compatible chipsets are the Atheros AR9271, Ralink RT3070, Ralink RT3572, Realtek 8187L (Wireless G adapters), and Realtek RTL8812AU. Of those, the only one that supports 802.11a is the Alfa AWUS051NH Dual Band 2.4 GHz & 5.8 GHz. We have not tested this with the Storm.
c. What do you guys suggest as an external power source for the Storm?  I have one that I use to re-charge my surface but I didn’t know if you had a recommendation on a smaller one.
We recommend the one in our Gale Force 10 Expansion kit. It is The official and recommended universal micro USB power supply for Raspberry Pi. I also recommend getting an on/off switch. All power supplies should meet the official Raspberry Pi Power supply online guide.