Picked one of these up from my local store in Crawley.Were on sale and cheaper than a 2gb card at that.Dont know if nationwide but cheapest i could find which is genuinely original and doesnt come in a weeks time via mail.
Sandisk MicroSDHC 4GB Card
* MicroSDHC 4GB card
* Supports SDHC, Class 2 compatible host devices
* High-performance transfer speeds: up to 15MB/sec
microSDHC Memory Card
microSD to SD adapter
SanDisk introduces microSDHC (microSD High-Capacity) 4GB card, launching this popular format into the high-capacity range of memory cards for mobile phones to provide more storage for music, videos, and quality photographs. The microSDHC 4GB is only compatible in SDHC supported devices designed to accommodate the high-capacity and increased transfer rate of Class 2 compliance. SanDisk microSDHC 4GB product includes a full-size SD adapter providing users with a complete and versatile solution for transferring music, video, photos and other files between their mobile devices and computers.