Blackberry recommendations?

[TeaMonsta]

Went for Ouachita and Ashton Cross in the end. Planted them today. The Ouachita is a thornless primocane which is apparently very sweet. The Ashton Cross a more vigourous, thorned variety with a traditional blackberry taste (more like the wild ones). So two varieties which are quite different. We'll see how they go.....

EDIT:

Ouachita - possibly primocane, maybe not. Depends on where you read about it, seemingly.