Where is the page...

[janipewter]

...which advises you to whether you will need a new modem for the speed upgrades?

[Tardy]

I also have been looking for the link without any luck.

I have a surfboard 4100 ancient but reliable and want to know if I need a new modem for 20Mbit

[EssDee]

This link

http://allyours.virginmedia.com/html/existingcustomers/q2/speed.html

indicates that info will be posted on the VM site on the 14th May indicating the status of all modems.

[helmutcheese]

The Moto SB 4100 may be old but its a good modem, it can handle 38Meg Down and 10Meg Up, you can get this info from the .pdf manual on the Moto site.

I have 20meg and my modem is a SB4100.

http://img156.imageshack.us/img156/273/w00tqy7.jpg

[janipewter]

I know the SB 4100 and 4200 are supposed to be capable of 38Mb but I remember reading something on this forum about them not being too good at coping with QAM256.