From the cached link. The YT plays, at least for now.
The pads have poly-aftertouch, the keys don’t.
Pricing and Availability:
USD (ex. tax)
Launchkey Mini 25 $119.99
Launchkey Mini 37 $149.99
Launchkey 25 $179.99
Launchkey 37 $209.99
Launchkey 49 $249.99
Launchkey 61 $299.99
GBP (inc. VAT)
Launchkey Mini 25 £109.99
Launchkey Mini 37 £139.99
Launchkey 25 £169.99
Launchkey 37 £199.99
Launchkey 49 £229.99
Launchkey 61 £279.99
EUR (ex. tax)
Launchkey Mini 25 €109.24
Launchkey Mini 37 €142.85
Launchkey 25 €168.06
Launchkey 37 €193.27
Launchkey 49 €226.88
Launchkey 61 €277.31