Are these strips any good?

Hello as it seems its getting harder and harder to find cheap strips in stock do you guys know if this model is any good?

BXEB-L0280Z-35G1000-C-C3 ? From the pdf file - https://www.bridgelux.com/sites/default/files/resource_media/DS132 Bridgelux EB Series Gen3 Data Sheet 20190617 Rev A.pdf i see that these are only 164lm/w any good? Or maybe wait for the other models like:
BXEB-L0280Z-35E1000-C-B3 or BXEB-L0560Z-35E2000-C-B3 to be back in stock. Thanks.
Did you buy them
 
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