whats the best practice amp, and portable..for not to expensive, micro cube?
Micro cubes are nice. So are the Vox DA-5.

What styles of music do you play, though?
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I myself love the Ibanez Toneblaster. Nice sound for the price.
--"Hey, don't worry; don't be afraid, ever, because this is just a ride."--
Ya the vox is a winner, played it for a good half an hour and found it to be amazing for the size of it!
If choosing between the vox da5 or microcube for metal/ high gain, the microcube would be better. I have one and like it alot for what it is. I think its pretty amazing for its size and $. I use my new tube amp now though, but have no plans to sell the microcube. I may want it for portability and its just too cool. You wont be disappointed for $125.