Help needed with cabs and amp

[KinkMaster]

Good afternoon friends, at this moment my rig is composed of  GK backline 600 head and  Ashdown mag 410t deep speaker cab.

I'm thinking of buying a rig from eden, terra nova, tn501 bass head and TN410 4 ohms speaker cab. 

I'm tired of looking on YouTube and on forums and I don't find a lot of inf, does anyone here have or have already played? Recommendations ? Pros and cons? If I buy, the gk is not for sale, but Ashdown is, so eden TN410 would remain as the only cab, no spare's. 

Tanks