Help buying a device in London - please topic

I'm in Landon few days and want to buy this device -

http://www.ebay.com/itm/281174017204...84.m1423.l2649

Can someone check and tell me whether it will work in Israel?

I realized that blocking work in Israel is that true?

After that I will root it will work in Israel.?

There are better and cheaper store that I can buy in London??

Thank you! I really do not know what to do need help.