the best way to get in is pay and leave your GT with what teir you wanted. remember now jtags only last between 2-6 hours typically before the ban hammer from MS drops
i can say i got 76K kills and 11millions score from this particular lobby
i was at 1.5 million and about 22K kills before going in i am happy and moved up alot. ferin can vouch for that my name is on his F/L lol go look ken