Trust someone who sees these on a regular basis - the 7290 has so many more pros over the 7100. The only things going for the 7100 are its slimmer form factor and the LCD screen. If you don't plan to use it for a phone, it may work okay but there are so many issues with the voice quality that I can't recommend it.
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BBs through my history: 957(8MB), 7280, 7290, 8700c
BB Now: 8820
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