Pulse graham crackers to fine crumbs or crush in bag
Mix crumbs, sugar, melted butter, salt until resembles wet sand
Press firmly into bottom of 9-inch springform pan, slightly up sides
Use glass to compact evenly
Refrigerate while making filling, at least 15 minutes
Beat softened cream cheese 2-3 minutes until light and fluffy
Scrape bowl frequently
Add powdered sugar, vanilla, lemon juice, salt
Beat 2 minutes until smooth
Scrape bowl well
In separate clean bowl, beat cold heavy cream to stiff peaks
Add whipped cream to cream cheese in three additions
Fold gently with spatula after each using lifting motion
Don't stir vigorously
Should be light, fluffy, smooth with no streaks
Pour into chilled crust, spread evenly
Smooth top with spatula
Tap gently to remove air bubbles
Cover tightly with plastic wrap
Refrigerate minimum 4 hours, overnight best
Run knife around edge, release springform ring
Slice with hot knife, wipe between cuts
Top with berries, sauce, or serve plain
Serve chilled