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You have experienced a high quality system in a controlled environment. You may not be able to duplicate it exactly in your room but you can vastly improve your room experience and over time, as your budget allows, you can improve it.
Since you say your music consumption comes in the form of digital files on your Iphone you need to start educating ...
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dangerous usually equals loud. Consequently I would recommend a mic that can withstand high SPL. This is most likely to not include any type of condensor mic.
Consequently I would recommend using a cheap dynamic mic if you are operating in any high SPL environment. Dynamics are much better at withstanding high SPL or dangerous environments.
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