upgrade or clean installation?

[Lutzer]

According to a former thread: use aptitude instead of apt-get to avoid
unused libraries after removing packages from your system. Alternatively
deborphan can be used to find unused libraries and remove them afterwards.

Antony Gelberg schrieb:
> Avraham Hanadari wrote:
>> Dapper Drake will soon be making its appearance. I know there are ways
>> to upgrade the OS, but I just installed the Kubuntu desk top on Ubuntu,
>> and I think I prefer it. In addition to that, I've been doing a lot of
>> learning and experimentation. I'm concerned about accumulated junk
>> causing operational problems. 
> 
> You must be used to another OS.  :)
> 
>> In short, would it be better to make a
>> clean installation when the time comes?
> 
> Doubt it.  Upgrades between releases should be pain-free by design.
>