Stablehost
Don't be afraid of unlimited. You need only be afraid, or trusting, of specific hosts. Stablehost is one of the good ones. They've been around for about about a decade now, and only adopted unlimited in 2015.
In 2014-2015, we saw a lot of shifts in storage technology. You can now get multi-terabyte SSD drives for servers. The storage on a server exceeds the other resources. So you site(s) will run into CPU or RAM issues long before it runs into a problem with storage. (But because SH uses CloudLinux, CPU and RAM won't be an an issue either, unless it's constantly using 100%.)
Stablehost has a lot of bandwidth, so this has never been a problem. They're had unlimited bandwidth for years.
Notice that they clearly list out all the resource specs on their product pages. Unlike "unlimited" hosts, they don't hide specs in fine print.
You can still buy the classic plans from Stablehost, which have defined storage. And those plans are a few dollars cheaper.
EuroVPS
It really depends on what type of questions you'll be asking. Too many newbies want coding help, or treat hosts like Google. Some allow this, some do not. (In my opinion, some newbies really do abuse support.)
EuroVPS is a no-BS high-end premium operation. They don't have time/patience to answer basic "how to use the internet" type questions that are answered by the #1 SERP in Google. But I'm actually in talks with them on this. We'll see what happens there in coming months. Dealing with newbies requires a nice KB, and newbies mostly need links to KB articles.
Others
We're in the process of updating rankings and guides right now. There also been some changes with certain hosts.
When you say "EU" (and give budget in euros), are you also open to UK hosts? I realize that UK is technically EU, but a lot of folks don't see it as such, since it still uses GBP/pound currency. So I have to ask.