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Capacitive screens have come down  tablet definition  in price, and many off-brand tablets have thankfully switched over to this technology. Even if you find such a unit, you’re not out of the woods. If the touch sensor is substandard, you might have poor multitouch support or touch detection. Resolution is also an issue. It is very common to see a 7-10-inch tablet run a 480x800 (WVGA) resolution screen. That works out to about 133 pixels per-inch at 7-inches, which is mediocre on such a small tablet. If at all possible, try to get a look at the device first. If you're importing from China, that might not be doable, though.