Netgear router WPA2/PSK query

[#1]

Anyone advise so I can get a new Vista laptop talking to my Netgear router?

Laptop 1 on XP is fine, but used Dell Connectivity s/ware.
My router set to WPA2/PSK
BUT VISTA SET UP OPTIONS are
WPA2 Personal or Enterprise;
which is one to select.
(Trying both has not worked, but may be related to 2nd query)
Vista asking if AES or TKIP
which of those to select?

Advice valued.

[#2]

Mine is WPA2-Personal and encryption type AES. Didn't have to do anything about it myself as it set itself up from the router settings.
Am using a Dell laptop but the PN Thomson router.

[#3]

I'd go with personal.
TKIP or AES depends on what you've got set up on you're router.  If you don't know, try TKIP first.