LEGO + Rock Band = LEGO Rock Band for Nintendor DS

What happens when you take one of the best selling toys (and in my opinion one of the best toys of all time) and one of the best selling console games? According to PC World’s Matt Peckham, you get…
LEGO Rock Band for Consoles, Nintendo DS Confirmed
One of the complaints I recall reading in a comment here is that the new Nintendo DSi’s lack of a Gameboy cartridge slot means that the Rock Band controller for the DS doesn’t work with the DSi. If LEGO Rock Band provides a DSi compatible controller, that might help that person out with the currrent Rock Band too.