I am Irish and I have reviewed this area quite extensively.
Vodafone offer the following:
GPRS/3G price plans - Vodafone Ireland
Phone as a Modem Bundles
These bundles are best suited to using your 3G phone as a modem with medium to moderate levels of usage
Type of User Bundle Size Price per month* Price per MB outside of bundle
Modest 15MB €10 €2.50
Medium 25MB €15 €2.00
N.B. Without a Databundle it costs 2c per Kb for the first MB and 5c thereafter.
Price of Modem Bundles are Vat Inclusive.
This is not to be confused with this which gives yous a mobile broadband USB Modem and is of no use with your N95
Vodafone 3G Broadband
Email, Web Access, and access to your office network. So whenever you have a moment to spare, you can be getting more done on the move.
Monthly Fee Modem Price Monthly download limit Out of Bundle Charge
€33.05 €81.81 5GB €0.10 per MB
Prices are quoted Ex Vat.
Bear in mind that some websites of the non mobile type can be as much as a MB a page (This one is quite hefty in fact) so this represents extremely poor value for money, what I find particularly galling is that the USB Modem package cannot be added to my existing contract with my N95, since it does exactly what my N95 does :p and that I must be forced to pay extortionate data costs instead.
3 Offer the best service but it is limited to http only so no VOIP, Torrents, ftp etc etc
3 Ireland
Mobile surfing,
anywhere, anytime 100Mb Mobile surfing, €5.99
anywhere, anytime 250Mb Mobile surfing, €9.99
anywhere, anytime Unlimited €19.99
Tbh it just plain sucks in Ireland atm
read my rant about it here
Broadband USB Modems over Mobile Networks versus Data Costs on Mobiles - boards.ie
Inqui