If you frequent using the BlackBerry instant messaging clients consisting of Google Talk, Yahoo Messenger and Windows Live Messenger on your current BlackBerry smartphone, you'll have no worries about using them on a BlackBerry 10 device either.
All three of the clients have test builds in BlackBerry App World with the current BlackBerry Dev Alpha OS and they've all had their UI's revamped to fit in line with the rest of BlackBerry 10. There will surely be more instant messaging apps to choose from but for now, it's nice to know RIM has these ones being worked on. At the moment, WLM doesn't seem to be working correctly but Yahoo and GTalk are working just fine, you can jump below for some screenshots.
A new 5G BlackBerry Android smartphone with a keyboard will arrive in 2021
A new joint announcement from BlackBerry, OnwardMobility, and FIH Mobile lays out the plans for a new 5G BlackBerry Android smartphone with a physical keyboard to be brought to market in North America, and Europe within the first half of 2021.