This was my post earlier in this thread regarding the HX MD-11 vs Panda. There are aspects of HX that I would argue are better, i.e. engine and pylon detailing. I do think that the Panda winglet shape is more accurate. Both are superb.
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I do really like the HX MD-11 tooling. They have done a much better job at the cockpit window size. The first few releases (Shanghai Cargo and China Airlines had too large of windows). The detailing on the engines is also top notch, better than Panda I would argue, especially the pylon detailing. I do like the landing gear and winglet shape more on the Panda tooling. This HX tooling is almost certainly a clone of the JC 200 version, with the upward angle of the winglet. But HX really has something special with the flaps down versions. I will be getting any MD-11 HX releases at this rate. There are so many awesome airlines to do, and Panda does not pump out enough releases to satiate my MD-11 cravings.