The things that you are mentioning aren't all big issues, yes some can be updated, but you just update them if they need replacement.
The dellorto its not a issue, its not the most modern but it works. The SEM its the most difficult thing to update and it will give you some problems.
This bikes are great but you have to keep a eye on them and treat them well
You have here lots of info, you just have to search, or ask