It would depend on several factors, like the underlying system (OS, web server, db server, php), server restrictions you might have (e.g. memory, bandwidth), what do you want this installation for (i.e. development, production), proficiency level of your to-be users (admins, teachers & students).
Comparisons and advocacy
Moodle 1.9 vs Moodle 2.x
This discussion has been locked so you can no longer reply to it.