search and you shall find. before even thinking of power. what sort of drving will you be doing? answer that first then you can work on power and how to archive it.
if you want to beat habib next to you and be fully sick then go either 4agze convert to 4agte.
or if you want to keep up, or be like takumi then go 4age smallport n/a heavliy tuned or 20v n/a.