other formats support is planned. we just launched with the minimum that we ourselves needed. Rails HAML templates :) Thought for your case we don't only need

other formats support is planned. we just launched with the minimum that we ourselves needed. Rails HAML templates :) Thought for your case we don't only need to add another format (more or less easy) but also support for re-uploading new designs .zip file, which is somewhat harder to implement and so is further down the todo list :)