Well after attempting to upgrade to the latest Rasbian resulted in failure (baulked at the Wolfram data). With messages saying the upgrade had failed or similar I copied the latest disc image to an sd card and I am using that. However despite installing wicd curses I have completely failed to get into the internet or wlan. I kept a copy of the original files from the pi B+ and have spent hours trying various entries in network/interfaces and wpa_supplicant and reading forums? and advice but nothing looks like working. I have found nothing like the previous wifi-config which scanned for the connection. The advice on filling in the wicd panel left me quite confused and I now see the point of the 'Best of Luck' comment. The messages I get when clicking on 'network prefrences' is ETH0 link is down/wlan0 is not associated.
Are there any other apps I need to install? Is the Pi2 Rasbian different to the previous version in the wireless department? different dongle required?
Can anyone point me at any more advice on the latest rasbian/Pi2. At least I have now got the 2.9 version of Sonic Pi, and I can get on the internet with the cable
Malcolm Smith PS sorry for the long ramble