I have bete wallet for 2 account out fo which one is loading so slow that can't even work on it and otehr account is quite fast not sure why i have open ticket with then but still not reply ..hope they solve it soon
There are so many account are with blockchain, so it might be impossible to get support from them. Anyway don't have to worry I had took backup before and import it to new beta wallet firstly it takes 3 hours for synchronization. I was looking for every node as like crazy due to curiosity. But after first sync. its working proper.
Also block chain beta give more features too. I love it.