How do I upgrade to the latest custom firmware for PSP?

You should contact Bezeq, Israel’s largest telecommunications service provider. You can call Bezeq customer service directly at +972-3-6800029 to find out what rates they offer to new customers

Video converter is the easiest way to get your video in the format you want, convert video and audio to iPod, PSP, iPhone, Zune, Xbox.

If you are coming as a tourist for a short time, it's probably an unnecessary hassle to join a plan. If you're staying in a hotel, ask the concierge what service is provided. Many hotels have connectivity and on -site computers for the convenience of registered guests. If you're staying in a dorm or low budget accomodation, ask people to direct you to their favorite Wifi spots.

DVD to Apple TV Converter for Mac, top Mac DVD to Apple TV converter, can rip DVD to Apple TV video MP4 and transfer DVD to Apple TV on Mac easily.

First you have to determine what you want your business to be.
Make sure to secure the wireless router with a password to keep your network secure.
okay you need a "router", it's the device that lets you have wireless singal through out your house
you need a "wireless antenna" for your computer and for your laptop if you don't have them already.
Lynksys, is a good product to buy.
Set this on your router. There will be security settings. Use WPA2 if you have that option. WEP is considered a trivial security method these days and can be cracked in minutes.
It will affect your wifi only in so much as you will have to enter the password on your computer the first time it joins the network after you have set the password.
Without any info about your router, I can't give an exact step-by-step instruction set, but:
-You need to log in to your router (usually 192.168.1.1 in your internet browser).
-Locate the encryption settings (refer to your router's documentation) and use either WPA or WPA2 (never use WEP), then update your devices that use the connection.
Hope that helps!
And last thing best way to ask this and get information when you are in the store. go to Best Buy or Staples. They'll know what to give you
I just hope you don't have dial-up. Good luck!

DVD ripper is a computer program that facilitates copying the content of a DVD to a hard disk drive.

It's very easy to connect to the internet in Jerusalem (and throughout most of Israel).
If you're plugging the existing computer directly into the modem, all you need to do is buy a wireless router and plug that into the modem too. Then on your laptop you connect to that wirelessly and should get internet access!