Don't dismiss showcase too quick
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I do not dismiss showcase. I just wanted to know what else is out there, which I do not know by name yet. It seems it is really only showcase and Xenreviews who are offering a Review system which is compatible with Xenforo.
I think it is easier for an importer, if the source database has less fields than the target db. I will definetely not make copy&paste actions. Then I rather stick with my interims solution over teh Reviewpost bridge.
If I pay for an addon, I expect more than if I use a free addon. Since Reviepost from Photopost is more or less the only serious Review system out there at the moment, I do think that every XF-Review addon needs an importer for Reviewpost to be taken seriously.
Can you image a Xenforo software without a vbulletin importer? Would anybody have taken Xenforo seriously, if they would not have offered an importer for vb right from the beginning?
Maybe a solution could be that showcase and Xenreviews work in the future together, I d not know how to manage this on the money level though. But if it is true that for Xenforo 2.0 everything has to be rewritten again, it would just slow any progress in both too much down if each is developed on its own and independantly.
IMHO it is not a question how much time and money is invested already. The question is how to be able to offer a product that fullfills all needs asap and which can survive in the battle to get paying users. If both more or less do the same, is the market big enough to make it financially attractive in the long term to be maintained and further developed? We have nothing of an addon, which works for 1 year and then does not get maintained anymore.
The one who has the Reviewpost importer first, will have a significant competitive advantage. Will the other addon be able to keep up and be so much better or offer so many better Review options that people are willing to wait for that addon until it offers an importer for Reviewpost? I doubt it. People waited too long already. Each month it takes longer, they get less patient.
Just food for thoughts...