What's the disadvantage of having no 3G on Blackberry Gemini 8320?
1) Internet Connection would be slow
2) Data Streaming will be slow
3) It will not work in Japan
Do emails still come through when not connected to wireless?
Yes.. If if have a active SIM card with a data plan it will work.
3G is used to enhance the internet speed especially for downloading..
Emails will still work if you are on EDGE/GPRS.