Is there some kind of publicly accessible Roadmap for future Broadcom chips which the Raspberry Pi might be using in one or two years? I love these boards so m

Is there some kind of publicly accessible Roadmap for future Broadcom chips which the Raspberry Pi might be using in one or two years? I love these boards so much, but the PCIe-restriction is such a huge bottleneck, that I'd love to know when this will be resolved.