Ready to be published? LXer is read by around 350,000 individuals each month, and is an excellent place for you to publish your ideas, thoughts, reviews, complaints, etc. Do you have something to say to the Linux community?
How much difference can a single instruction make? On the Raspberry Pi, it can make a difference of 14%, demonstrable without any expensive digital testing equipment.
(Not strictly Linux/FOSS, but shows testing with a DIY philosophy.)