So, the first 45 new flights in LGA as a part of the slot swap have been announced by Delta.

LGA-DFW 6x E70 (S5)
LGA-MIA 4x M88
LGA-BTV 3x (2x OH CR7, 1x ERJ)
LGA-ROC 4x CR7 (OH)
LGA-BUF 6x CR9 (OH)
LGA-SYR 5x (4x ERJ, 1x CR7)
LGA-RIC 5x (4x ERJ, 1x CRJ)
LGA-MHT 2x ERJ
LGA-SDF 1x ERJ
LGA-GSO 3x ERJ
LGA-ORF 4x ERJ
LGA-DAY 2x ERJ

41 of 45 being RJs! Go scope!