Weekly Iron Condors - best fits for my trading

Candidates for the weekly Iron Condors week of Mar 7-14

QQQ
Buy20QQQ14Mar14 (W) 89.13 Puts
Sell20QQQ14Mar14(W) 89.63 Puts
Buy20QQQ14Mar14 (W) 93.63 Calls
Sell20QQQ14Mar14(W) 93.00 Calls

GLD
Buy20GLD14Mar14 (W) 133.00 Calls
Sell20GLD14Mar14(W) 132.50 Calls
Buy20GLD14Mar14 (W) 127.50 Puts
Sell20GLD14Mar14(W) 128.00 Puts

EEM
Sell20EEM14Mar14(W) 38.50 Puts
Sell20EEM14Mar14(W) 41.00 Calls
Buy20EEM14Mar14 (W) 41.50 Calls
Buy20EEM14Mar14 (W) 38.00 Puts

EWZ
Buy20EWZ14Mar14 (W) 39.00 Puts
Sell20EWZ14Mar14(W) 39.50 Puts
Buy20EWZ14Mar14 (W) 43.50 Calls
Sell20EWZ14Mar14(W) 43.00 Calls

SPY
Buy20SPY14Mar14 (W) 184.50 Puts
Sell20SPY14Mar14(W) 185.00 Puts
Buy20SPY14Mar14 (W) 191.50 Calls
Sell20SPY14Mar14(W) 191.00 Calls

UNG
Buy20UNG14Mar14 (W) 24.00 Puts
Buy20UNG14Mar14 (W) 27.00 Calls
Sell20UNG14Mar14(W) 24.50 Puts
Sell20UNG14Mar14(W) 26.50 Calls

VXX
Buy20VXX14Mar14 (W) 40.00 Puts
Sell20VXX14Mar14(W) 40.50 Puts
Buy20VXX14Mar14 (W) 47.50 Calls
Sell20VXX14Mar14(W) 47.00 Calls