If you handle your mics a bit roughly, then you might want to go for the dynamic option. But if you want to go for a better sound and bigger frequency range and transient response then you really should be looking at a condenser mic.
Smaller diaphragm mics are better at replicating sound consistently and work well with guitar, percussion, strings and piano. When wide frequency and transient responses are desired, small diaphragm microphones are usually a more sensible choice. For stereo recording, several small diaphragm condenser mics are generally effective, allowing for a more rapid and correct transient replication and exceptional low end processing. For concert taping, SDMs are a popular option. The small diaphragm type can cost quite a bit less compared to the large diaphragm version.
Condenser mics often have the ideal sound characteristics and can pick-up an array of tonal distinctions and subtleties that dynamic mics won't be able to. Their output is greater, though there is a sensitivity to louder sounds. Though usually used in home studios, condenser mics can also be found used at live events.
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