WiiWare, VC block sizes for the week

VC titles

NES game
Sky Kid
1-2 players
500 Wii points
19 blocks (1 save block) [19 needed]
No Re-Releases

WiiWare titles

Critter Round-Up
1-4 players
1000 Wii points
[235 needed]

Star Soldier R
1 player
800 Wii points
145 blocks (1 save block) [145 needed]
Nintendo Wi-Fi Connection

Source