the old xp network and vista laptop issue

Hi guy's

My 2 new vista laptops won't see either the network set up at home or my
office (both as 'OFFICE') or vice versa. I downloaded the LLTD and it's made
not one jot of difference..Been through the sharing etc.

*The 2 lappys see eachother BTW*

I downloaded network magic demo on one laptop and the main PC at home and
appears the network is correct as they both see eachother . (it even sees
the one laptop which hasn't got NM on it)

I must say I'm kinda disappointed that Vista and XP are not properly
configured to automatically 'see' eachother and have to resort to a 3rd
party to do so?

That aside I have three options

1 Dump Vista (my current fav ;-)
2 Solve this problem
3 Buy NM for home/work

If anyone has any input I'd love to see if no/ 2 can be cracked!

Cheers

Richard