I have about 10 stands and would love to buy another 20 for my upcoming puzzles but it reaches a point where it is simply too costly. I'm going to check out prices for plastic sheets here and see if I can try some DIY stands.
If you dont want to wait to see if the Lingyun is better either get both or just the guhong. Guhong has survived the hype and I saw one review making the linyun look really bad for pops