[HOW TO] eliminate lag in your phone (no root required)
1) Use ADW launcher, Launcher Pro, or Go launcher instead of stock.
2) Disable animations in launcher settings
3) Disable animations in Settings->Display->Animations
4) Go to Settings->Applications->Manage Applications. Move any apps installed on the SD card to internal storage. Programs on the SD card will cause lag in the launcher.
There you go. Without root or flashing you have minimized your lag.
1) Use ADW launcher, Launcher Pro, or Go launcher instead of stock.
2) Disable animations in launcher settings
3) Disable animations in Settings->Display->Animations
4) Go to Settings->Applications->Manage Applications. Move any apps installed on the SD card to internal storage. Programs on the SD card will cause lag in the launcher.
There you go. Without root or flashing you have minimized your lag.