what would you rate the performance potential of the following hardware to run a php/mysql based site.

start at a 1.0 rating for the celeron 2.0... with a 1.5 rating being 50% higher performance than 1.0

1. celeron 2.0 512 ram - rating: 1.0
2. athlon 2000 512 ram - rating:
3. p4 2.0 512 ram - rating:
4. celeron 1.4 512 ram - rating:
5. dual xeon 2.0 512 ram - rating:
6. celeron 2.0 1gb ram - rating:
7. athlon 2000 1gb ram - rating:
8. p4 2.0 1gb ram - rating:
9. celeron 1.4 1gb ram - rating:
10. dual xeon 2.0 1gb ram - rating:
11. celeron 2.0 2gb ram - rating:
12. athlon 2000 2gb ram - rating:
13 p4 2.0 2gb ram - rating:
14. celeron 1.4 2gb ram - rating:
15. dual xeon 2.0 2gb ram - rating:

also what kind of performance advantage would a scsi drive give you +.XX?