Magellan 315 is what I use. You can update the database every 3 months for free on the internet. I have used mine while flying commercial and it works perfectly. They are inexpensive and very accurate and easy to use.
Mark Jones (N886MJ) Wales, WI USA E-mail me at flyk...@wi.rr.com Visit my KR-2S CorvAIRCRAFT web site at http://mywebpage.netscape.com/n886mj/homepage.html