miklbstylistically, I'd add some line height to the excerpts (p-summary) on the home page and if you're not planning on using the sidebar on the articles, I'd center them and maybe give them a little more width
tantekseems like a good policy to maintain some number of PHP past versions backward compat while always making sure to also run on the latest PHP "official" release
tantekright, it seems like there is some sort of inertia at work, and I'm curious about the trade-off / balance between WP PHP backcompat and hosting services holding out
miklbI honestly don't know what politics are at play in not forcing the issue, but I do know it's constant point of disagreement within the WP community
tantekseems like this would be enough of a recurring issue for there to be some process that developed around it, instead of it being a political re-battle each time