Mobile phone companies

[solo2]

I need to change my sim only deal for all the family. Currently with Tesco which uses 02 and have been fine. Good coverage, never had any issues but I seem to be paying more than I should for what I get.

500 mins, 5K texts and 1BG is costing roughly £35 per month across three phones.

Looking at plusnet mobile which is 1500 mins, unlimited text and 4GB for £10 per month or Talk mobile are offering 3000mins, 5K text and 4GB also for £10.

Are there any companies to avoid or are they all as good/bad as each other? Wasn't it Talk mobile that were hacked recently?