You are a likeable user on this forum imo. You consistently make good posts, you make creative - yet viable sets, and always stick to your guns when people think your wrong sometimes.
Heck, you inspired me to think of bulky Mixed Dragonite lol. 252HP/56Atk/196SpA/4Spe Quiet Dragonite is pretty good in gen 4.
Grass Definately. Spread.. good question. Haven't thought about how much bulk Milotic needs these days. Speed I would shoot for 240 if Modest. You may want to go Timid if you want to beat CB Dragonite which is pretty common