That's your decision. There's nothing that says you'll have to use it.

>I can see it being useful to programmers new to VFP but I don't see any reason for me to switch even for new development.
>
>>> I don't think many will switch in existing apps. I see it being used for new development.
>
>>Really? How many developers do you think will switch from their own AutoIncrement routines that worked flawlessly for years to something native but maybe inflexible or *gasp* buggy? I know for one that I won't switch because the possible "issues" far outweights the expected minimal perfomance gain...