EverythingUSB has posted a SanDisk Cruzer 64MB review
When you look at different USB flash drives, they are fixed on the capacity. Should you need to carry a bit more data than your drive can hold, you'll have to shell out for a new larger capacity unit. SanDisk Cruzer gets around this problem by adopting the popular Secure Digital (SD) standard. In the case you need more memory, you can still easily swap with a new SD media at a cost much lower than an entire new USB flash drive. But nothing's perfect.Read more