Hey guys,
the small pool email basically means that you passed their GPA/MCAT requirement; nothing else...nothing more
After the small pool, its MOSTLY depends on your extracurriculars for a II (completion date also factors in)
that being said:
1) A LOT of people got II without small pool (talking to them, they had a low MCAT subsection; or retook ochem; or dropped out of school for a semester; something that would make the adcom look twice at their application)
2) A LOT of people got II with a small pool (these are the guys who score 10+ in each MCAT section; have the average GPA; don't have any run ins with the law)