So I swapped out phones and restored my phone but just noticed my 3 email accounts do not push at all now.... How do I fix this or how do I delete these accounts and redo them?
Log into T-mobile's BIS site and resend your service books. If that doesn't work, go to Options > Advanced Options > Host Routing Table, press menu and choose Register. Hopefully this will get things working for you.
It depends. Wifi is nice, but I'm still glad I have a data plan. Almost all third party apps that require a connection to the internet won't work over wifi. You can't have push email. You would have to use the BB browser to check web email. BB browser is the only browser that will work over wifi. Opera Mini will not work over wifi.