how to set up more than 1 wireless AP?

[skanky]

am needing wireless setting up in my house and was thinking of using the wireless on my router and placing the router downstairs and buying a wireless AP to put upstairs.

i wanted it so where ever i am in the house, my laptop will pick up the best/closest wireless signal but both on the same "network" so i am able to access my NAS whereever i am (that would just be the SSID, right?)

do i set both wireless devices to use the same SSID/channel as each other, or should it be same SSID, different channel?

a little confused

 

[skanky]

lead walls, just making sure superman cant see into my house nah, i'm just covering my bases to ensure i'll have sufficent coverage all over the house/garden.

i already have a netgear dg834g which can be apparently used in bridged mode (that means it doesnt act as a modem, correct) and that bethere provide their own wireless router, i thought i'd take advantage of that.