Here is what I recommend. Do it right!
(Prices last year from Camelback Toyota)

WATER PUMP 16100-6939883 $100.31
IDLER ROLLER 13503-62040 $90.80
TENSIONER ROLLER 13505-62070 $121.40
TENSIONER 13540-62021 $41.60
T COVER GSKT UP 11319-20010 $4.61 I needed
T COVER GSKT LWR 11328-20020 $4.61 I needed
T-STAT 90916-03075 $19.31
TIMING BELT 13568-YZZ03 $43.42
CAM SEALS 90311-38051 $9.82 x2
UPPER RAD HOSE 16571-62070 $15.81
LWR RAD HOSE 16572-62090 $15.75
OIL COOLER O RING 90301-67004 $3.68
WASHER SEAL 90210-22001 $3.73
ALTER BELT 90080-9109083 $16.95
P/S BELT 90080-9112683 $14.63
A/C BELT 99364-2087078 $17.70
OIL CAP SEAL 90430-37140