Paul is not speaking of heaven - lets take a look at that link you gave:
2 Thessalonians 1:6-11New American Standard Bible (NASB)
[SUP]6 [/SUP]For after all it is only just for God to repay with affliction those who afflict you, [SUP]7 [/SUP]and to give relief to you who are afflicted and to us as well when the Lord Jesus will be revealed from heaven with His mighty angels in flaming fire, [SUP]8 [/SUP]dealing out retribution to those who do not know God and to those who do not obey the gospel of our Lord Jesus.
The first thing to notice is that Paul is promising repayment with "affliction to those who afflict you" and to "give relief to YOU".
This was relief from persecution at the instigation of the Jews was promised to THEM in their own lifetime - not hundreds of years into the future.