Ich made some quick tests in 3D Mark 05 with a Radeon 9800 Pro 128MB and a 256MB model. ATI's claims, that 8.07 fixes a memory bug for all cards with 256MB is correct:
Radeon 9800 Pro 128MB:
Cat 4.9: 2337
8.07 HF: 2389
Radeon 9800 Pro 256MB:
Cat 4.9: 2408
8.07 HF: 2719
Lars - THG
Radeon 9800 Pro 128MB:
Cat 4.9: 2337
8.07 HF: 2389
Radeon 9800 Pro 256MB:
Cat 4.9: 2408
8.07 HF: 2719
Lars - THG