I still prefer our own local (Amoy) Hokkien than Penang
(Chiangchew) or Taiwan (ChiaoAn) Hokkien.

Me too. Our local Hokkien is only roughly 100% Amoy in
Vocabulary (exclude assimilated Teochew usage and Malay vocab) but
not 100% Amoy in Pronunciation, it is more of a 70% Amoy : 25%
Chuanchew : 5% Chiangchew mix in Pronunciation.
Amoy, Chuanchew, & Chiangchew variety includes the below
prefectures:
http://sgforums.com/forums/3545/topics/399974?page=6#post_9809311
Re-quote:
Amoy Variety: 廈門,同安
ChiangChew
Variety: 漳州,龍海,龍巖,長泰,華安,南靖,平和,漳浦,雲霄,東山
ChuanChew
Variety: 泉州,晉江,石獅,南安,安溪,惠安,永春,德化,金門
ChiaoAn Variety: 詔安
As seen above, ChiaoAn is separated
from the rest of the clustered varieties (Amoy, ChiangChew,
ChuanChew) and classified as a standalone variety. Why? Because
ChiaoAn is the most distinctive Hokkien dialect among all the
accepted Hokkien varieties. It is the most Teochewized Hokkien
dialect.
Taiwan is not ChiaoAn and cannot be
ChiaoAn (even hardly can be considered to be a variation of
ChiaoAn), because: