But according to some websites, NBA Live 07 and 08 PC are only compatible with Nvidia GeForce 3+ except Nvidia GeForce4 MX series (not supported).

is it true? have you tested it?
anyways, here are my system informations:
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2
System Manufacturer: ECS
System Model: P4M800-M7
Processor: Intel(R) Pentium(R) 4 CPU 2.66GHz
Memory: 768MB RAM
DirectX Version: DirectX 9.0c
Card name: NVIDIA GeForce4 MX 4000 (Microsoft Corporation)
Manufacturer: NVIDIA
Chip type: GeForce4 MX 4000
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_0185&SUBSYS_00000000&REV_C1
Display Memory: 128.0 MB
Current Mode: 1024 x 768 (32 bit) (60Hz)
what can you say? i really want to have NBA Live 07/08 installed on my pc.
