Simyo Spain €5/month data (upto 500MB)

[pete_l]

Here's the killer. The data link is GPRS only

Update: Jan 2010. It turns out there's an extra field needed in the dongle initilaisation. From memory, it's *99# (though don't quote me, it's close but probably not that EXACT string) which turns on 3G / HSDPA mode. With this inserted, the dongle flies - sometimes.