i think when we have cm11 with the new google launcher , it would be extreme laggy .
i have the launer or especially the new launcher+search on my tab
before: 200-600mb ram free
and now: only 90-300mb
so the new google goodies aren't so good ....
just my opinion
1. Sony Xperia Z1 : Deodexed Stock.108+(x)trinitykernel2.3 +Xposed
2. Asus MeMoPad HD7:AOSP V2+Xposed