You get about half the normal hash with the Wolong vert scypt Panda coin than standard Rabbit scrypt algo, but the Rabbit coin reward will half 5x sooner.
Wolong's Panda Coin:
2.5 minute block target
Reward: (Random)
Block 1-50,000: 0-1,000,000 PandaCoin Reward
Block 50,001 — 100,000: 0-500,000 PandaCoin Reward
Block 100,001 — 200,000: 0-250,000 PandaCoin Reward
Block 200,001 — 300,000: 0-125,000 PandaCoin Reward
Block 300,001 — 400,000: 0-62,500 PandaCoin Reward
Block 400,001 - 500,000: 0-31,250 PandaCoin Reward
Block 500,000+: 5,000 PandaCoin Reward
Rabbit:
30 sec block target
Reward: (Random)
Block 1-100,000: 1-1,000,000 RabbitCoin
Block 100,001-200,000: 1-500,000 RabbitCoin
Block 200,001-300,000: 1-250,000 RabbitCoin
Block 300,001-400,000: 1-125,000 RabbitCoin
Block 400,001-500,000: 1-62,500 RabbitCoin
Block 500,001-600,000: 1-31,250 RabbitCoin
Block 600,000+: 10,000 (Flat) RabbitCoin
'sooner' = 1.5 months as far as I understand