200 NL. Villian is TAG not much else is known about him. Note that the villian is big blind, and I am UTG. Whats your play here and why?

***** Hand History for Game 2826161620 *****
$200 NL Texas Hold'em - Tuesday, October 04, 21:15:20 EDT 2005
Table Table 49766 (Real Money)
Seat 10 is the button
Total number of players : 10
Seat 1: bigsexy2179 ( $210.25 )
Seat 2: lisa91471 ( $175.35 )
Seat 3: Tarmtung ( $206 )
Seat 5: HippoDoyle ( $191.35 )
Seat 6: HOTTUBBY ( $218.25 )
Seat 9: gmiller ( $274.95 )
Seat 10: mezquital ( $169.60 )
Seat 4: EvilEcstasy_ ( $197 )
Seat 7: Just1Pot ( $200.75 )
Seat 8: mbrand32 ( $198 )
bigsexy2179 posts small blind [$1].
lisa91471 posts big blind [$2].
** Dealing down cards **
Dealt to EvilEcstasy_ [ As Ah ]
Tarmtung folds.
EvilEcstasy_ raises [$8].
HippoDoyle folds.
HOTTUBBY folds.
Just1Pot folds.
mbrand32 folds.
gmiller folds.
mezquital folds.
bigsexy2179 folds.
lisa91471 raises [$12].
EvilEcstasy_ ???