Most of the opcodes are enabled - only these are disabled:
0x7e/*OP_CAT*/
0x7f/*OP_SUBSTR*/
0x80/*OP_LEFT*/
0x81/*OP_RIGHT*/
0x83/*OP_INVERT*/
0x84/*OP_AND*/
0x85/*OP_OR*/
0x86/*OP_XOR*/
0x8d/*OP_2MUL*/
0x8e/*OP_2DIV*/
0x95/*OP_MUL*/
0x96/*OP_DIV*/
0x97/*OP_MOD*/
0x98/*OP_LSHIFT*/
0x99/*OP_RSHIFT*/
But they seem pretty useless, anyway.
All the other opcodes should work fine, as soon as you manage to convince a miner to include such a tx for you, in a block.
I'd suggest bribing it, by leaving a decent fee - eventually they will realize that mining a non-standard txs might be a good business opportunity.