Some comparisons (all MC numbers) I find interesting...
[PSP] God Eater (Bandai Namco) {2010.02.04} - 295.405 / 634.244
[PSP] God Eater: Burst (Bandai Namco) {2010.10.28} - 263.150 / 388.065
[PSP] Phantasy Star Portable 2 (Sega) {2009.12.03} - 286.896 / 589.837
[PSP] Phantasy Star Portable 2: Infinity (Sega) {2011.02.24} - 206.654 / NEW
Not an expert regarding both series but I think GE Burst is less of an expansion than PSP2 Infinity, but Namco got a better start launching before MHP3 although it cut its legs short. PSP2 Infinity opens lower but doesn't have MHP3 later on to kill its legs, if it doubles its first week sales like PSP2 it'd do ~400k just like GE Burst. Right now, it looks like advantage Namco (surprisingly tbh).
[PS2] SD Gundam G Generation: Wars (Bandai Namco) {2009.08.06} - 175.304 / 299.250
[WII] SD Gundam G Generation: Wars (Bandai Namco) {2009.08.06} - 35.084 / 57.904
[PSP] SD Gundam G Generation: World (Bandai Namco) {2011.02.24} - 192.981 / NEW
[WII] SD Gundam G Generation: World (Bandai Namco) {2011.02.24} - 28.119 / NEW
PSP puts its PS2 coat on and trounces Wii version (even slightly more than PS2 did). Good numbers overall, as shown against Wars and also not far from PS2 2007 Neo entry (252k / LTD 382k), above PSP 2006 Portable entry (156k / LTD 265k).
[PS2] Disgaea: Hour of Darkness (Nippon Ichi Software) {2003.01.30} - 45.460 / 69.462
[PS2] Disgaea 2: Cursed Memories (Nippon Ichi Software) {2006.02.23} - 104.059 / 147.420
[PS3] Disgaea 3: Absence of Justice (Nippon Ichi Software) {2008.01.31} - 54.596 / 101.186
[PS3] Disgaea 4 (Nippon Ichi Software) {2011.02.24} - 79.425 / NEW
Not trying to burst the investors bubble but its not as good as it could be. PS3 releases are usually front-loaded and D4 won't benefit of being the 1st on the system or having a long shelf life like D3 did. Anyway, its certainly an improvement over their PSP 1st-2nd rate mix lineup, and much more likely to do good in the West.
[PSP] Dynasty Warriors (Koei) {2004.12.16} - 61.488 / 268.514
[3DS] Samurai Warriors: Chronicles (Koei Tecmo) {2011.02.26} - 49.327 / NEW
PSP Launch Musou on similar numbers more than quadrupled its FW sales, if this trends continues discostu.gif
Musou series overall seem healthier now than these last years but I don't think its as strong as it was in 2004, still SW Chronicles should have good legs.
[360] The Idolmaster: Live for You! (Bandai Namco) {2008.02.28} - 43.697 / 59.025
[360] The Idolmaster 2 (Bandai Namco) {2011.02.24} - 34.621 / NEW
Not good, quite a bit below 360 expansion of the first title and this one only does just like the DS entry...and below each of the PSP versions (46k,40k,35k for a 121k FW).
360 hasn't been pulling good software numbers lately, you have to wonder what will happen to the really niche developers on it, where they swallow it and port it later to systems like PSP or will they start multiplatform releases with PS3 (although I wouldn't say PS3 has been pulling great numbers for this type of softwate lately either) or just move to new systems (hitting 3DS/NGP soon to build fanbase?).
[WII] Rune Factory: Frontier (Marvelous Entertainment) {2008.11.27} - 18.520 / 42.235
[PS3] Rune Factory: Oceans (Marvelous Entertainment) {2011.02.24} - 28.939 / NEW
[WII] Rune Factory: Oceans (Marvelous Entertainment) {2011.02.24} - 10.495 / NEW
Yeah, speaks for itself, I was actually wondering if this could be when someone used Wii excuses for PS3 ('the first wasn't on PS3!','it looks like a Wii game!') but no chance as it beats it handily. Doesn't seem that great for Marvelous though, although if they greenlit this after RF Frontier maybe it works out for them, who knows.
[PS3] Killzone 2 (SCE) {2009.04.23} - 41.245 / 84.659
[PS3] Killzone 3 (SCE) {2011.02.24} - 26.717 / NEW
Good going SCEJ, what a better week to release it than this one. 'SCEJ going niche'-watch one step closer to target.
[PS2] Harukanaru Toki no Naka de 4 (Koei) {2008.06.19} - 54.938 / 71.069
[PSP] Harukanaru Toki no Naka de 5 (Koei Tecmo) {2011.02.24} - 26.345 / NEW
Another 'what were you thinking' type of release. This one is trickier though as 4 was the high-point, 2 and 3 on PS2 did 22k and 28k respectively, and the DS not-numbered entry in 2008 did 29k. Seems disappointing overall.
[NDS] Yu-Gi-Oh! Duel Monsters: World Championship 2007 (Konami) {2007.03.15} - 15.196 / 48.222
[NDS] Yu-Gi-Oh! Duel Monsters: World Championship 2008 (Konami) {2007.11.29} - 34.620 / 157.980
[NDS] Yu-Gi-Oh! 5D's World Championship 2009 (Konami) {2009.03.26} - 36.806 / 100.568
[NDS] Yu-Gi-Oh! 5Ds World Championship 2010: Reverse of Arcadia (Konami) {2010.02.18} - 24.132 / 24.132
[NDS] Yu-Gi-Oh! 5Ds World Championship 2011: Over the Nexus (Konami) {2011.02.24} - 21.002 / NEW
Normal drop-off, you can bet the next one is locked for 3DS.