Akademik

лучше не надо
ЛУЧШЕ НЕ НАДО coll, approv
[Invar; usu. subj-compl with copula (subj: any common noun); fixed WO]
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sth. is extremely good, of very high quality, s.o. is excellent, entirely adept:
- the best there is;
- couldn't be better;
- you couldn't ask for better (a better...).
     ♦ Мои друзья живут в прекрасном районе, квартира - лучше не надо. My friends live in a great neighborhood, and their apartment-you couldn't ask for better.

Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. . 2004.