Especially with all the TFRs and such. The Anywhere program is easily updated as many as four times a day.
And it's very nice to know for sure that you are not within a SUA, MOA or too close to a TFR with just one look. That way you can concentrate on the important things such as keeping your scan and look for other traffic. If you want to take a closer look they are at
http://www.anywheremap.com/
Since I already had a PDA to keep my failing memory banks in line I just got the software and GPS from them.
The Driving software was $30 or so.

If you run into a snag in your training or something of the sort feel free to drop me a line :-)