nice ^

cheapest >
http://www.relaischateaux.com/en/gift-shop/berlin/2

€352.52 bronze 1 nt
€435.95 silver 1 nt (drinks with dinner?)
€600.96 spa 1 nt
€731.27 gold 1 nt (luxury room?)
€897.22 platinum 1 nt (gourmet dinner?)

€509.08 (€254.54/nt) bronze 2 nt
€680.65 (€340.33/nt) silver 2 nt

the silver 1 nt includes le tahaa. last year, the package would have covered €1105, plus drinks at dinner. thats more than 60% off.

looks like a fair number of reasonable > good deals, you just have to calculate/plan.