In my rather subjective and variable use of all three of these items (aluminum Evernew though..), I found that a tight fitting lid is very important in reducing fuel use and boil times (while holding other factors constant). A foil lid is not durable and does not fit tightly. Also, a foil bowl lid is only a lid/or windscreen, whereas the lid from the Snowpeak Trek 900 serves as a lid, deep frypan, eating bowl, drinking cup, pot base, and inverted on top of the pot it can warm a second item using the excess heat. The Trek 900 is the most versitile per unit weight in my usage and opinion.
If you only use a pot to boil water for breakfast and dinner though, maybe the bowl is sufficient for you.