by far

[Anonymous]

Hi,
Please check these sentences and correct them.
1. This is even/by far/far/still/a lot/much/a little/little more useful than that.
2-1. This is the very/much best computer among them.
2-2. This is (by) far the best computer among them.
Thanks a million.
Ann

[Rusty]

1. This is even/by far/far/still/a lot/much/a little/little more useful than that. (All OK).
2-1. This is the very/<strike>much</strike> best computer among them.
2-2. This is (by) far the best computer among them. (OK).