I'm looking at sound hole pickups for my Martin D-28. Has anyone used one of these before? Is it a good way to plug in for playing live, or should I consider something else? Some examples I have found:
http://www.musiciansfriend.com/srs7/sid=031005072831138178008002032649/g=home/search/d=tp?q=300323
http://www.musiciansfriend.com/srs7/sid=031005072831138178008002032649/g=guitar/search/d=tp?q=300958
http://www.musiciansfriend.com/srs7/sid=031005072831138178008002032649/g=guitar/search/d=tp?q=303101
http://www.musiciansfriend.com/srs7/sid=031005072831138178008002032649/g=home/search/d=tp?q=300323
http://www.musiciansfriend.com/srs7/sid=031005072831138178008002032649/g=guitar/search/d=tp?q=300958
http://www.musiciansfriend.com/srs7/sid=031005072831138178008002032649/g=guitar/search/d=tp?q=303101