i used to use basic 4-4-2 with a flat midfield. but in the past weeks i've been using the formation which is exactly the same one El Chino has pasted (hope you don't mind me pasting it again):
..........<...SB...>
.................................................WF...>
..............................<..CM...>
.........CB
..........................<...DM........................CF...>
.........CB
.............................<...CM...>
................................................WF...>
.......<...SB...>
..........<...SB...>
.................................................WF...>
..............................<..CM...>
.........CB
..........................<...DM........................CF...>
.........CB
.............................<...CM...>
................................................WF...>
.......<...SB...>