>>Operation Doomsday
>>Take Me To Your Leader
>>Vaudeville Villain
>>Madvillain
>>VV2
>>Mm..Food
>>The Mouse and The Mask
>>Born Like This
>>
>
>His run wasn't better than Gang Starr's imo. VV2 was kinda
>weak to me and Born Like This was just okay.

Your criteria was 4 album run, so that means his 4 are:

Doomsday
Geedorah
VV1
Madvillainy

That still may not top Gangstarr in your eyes (and I think I'd agree, for the record) but DOOM is certainly in the conversation.