I use a 2GB Flash Voyager, using SISoftware Sandra it tells me this,
SiSoftware Sandra
Benchmark Results
Combined Index : 1598 operation(s)/min
Endurance Factor : 11.3
512B Files Test : 1747 operation(s)/min
32kB Files Test : 1782 operation(s)/min
256kB Files Test : 1431 operation(s)/min
2MB Files Test : 512 operation(s)/min
64MB Files Test : 20 operation(s)/min
Results Interpretation : Higher index values are better.
Performance Test Status
Run ID : NZXT-LEXA on 06 May 2008 at 18:48:40
Processor Affinity : No
System Timer : 3.6MHz
512B Files Test
Read Performance : 21333 operation(s)/min (11378 kB/sec, 75x)
Write Performance : 664 operation(s)/min (354 kB/sec, 2x)
Delete Performance : 1084 operation(s)/min
File Fragments : 1.0
Combined Index : 1747 operation(s)/min
32kB Files Test
Read Performance : 18448 operation(s)/min (9839 kB/sec, 65x)
Write Performance : 688 operation(s)/min (367 kB/sec, 2x)
Delete Performance : 1077 operation(s)/min
File Fragments : 1.0
Combined Index : 1782 operation(s)/min
256kB Files Test
Read Performance : 5286 operation(s)/min (22554 kB/sec, 150x)
Write Performance : 613 operation(s)/min (2615 kB/sec, 17x)
Delete Performance : 1041 operation(s)/min
File Fragments : 1.0
Combined Index : 1431 operation(s)/min
2MB Files Test
Read Performance : 760 operation(s)/min (25941 kB/sec, 172x)
Write Performance : 280 operation(s)/min (9557 kB/sec, 63x)
Delete Performance : 1066 operation(s)/min
File Fragments : 1.0
Combined Index : 512 operation(s)/min
64MB Files Test
Read Performance : 24 operation(s)/min (26214 kB/sec, 174x)
Write Performance : 12 operation(s)/min (13107 kB/sec, 87x)
Delete Performance : 914 operation(s)/min
File Fragments : 1.0
Combined Index : 20 operation(s)/min
Endurance Test Status
Operating System Disk Cache Used : No
Use Overlapped I/O : No
Test File Size : 32MB
Block Size : 512 byte(s)
File Fragments : 1
Endurance Benchmark Breakdown
Repeated Sector ReWrite : 19 kB/s
Sequential Sector Write : 609 kB/s
Random Sector Write : 19 kB/s
Drive
Total Size : 689MB
Free Space : 1.9GB, 288%
Cluster Size : 32kB