T-tar
Let me tell you why I think T-tar. It's double weakness is fighting, whereas Salamence's is Ice. T-tar's Defense is higher than Salamences's Sp. Defense, so it has more of a chance to survive. Also, T-tar can learn Aerial Ace for combating Fight, and Salamence can learn Flamethrower. T-tar's attack is higher than Salamence's Sp. Attack, so it will do more damage. Add in the fact many Ice types have high Sp. Defense, whereas Fighting types generally have low-average Defense, and T-tar's advantage becomes clear. And in this case, Sand Stream > Intimidate. However, this is just the logical answer; pick the one you like more.
MK