If i'm only going to search for 1-2 records which of the following two methods is best (fastest)?

LOCATE FOR idnr = 'something'
or
SET ORDER TO idnr
seek 'something'

I've almost always used the first method simply becouse it saves one row of code... but I'm now in finetuning stage of my application and want to know which method is the fastest and how many records I must search to take great speed advantages of that method.

/Mårten Törnquist