Looking at Hawk picks from 2003 through 2017 (we had no 2nd in 2018 and 2019 is probably to early to tell) we had 26 2nd round picks. 14 were outright busts doing vitually nothing in the league. 6 were what I would call hits...DCat, Saad, Crow, Boland, Bickell, & Holl (he is probably a stretch). Of the 6 hits, 4 were pick #43 or better up to Bolland at 32 and DCat at 39. There were 6 others that played some in the NHL (Pirri, Blunden, Johns, CLendening, Mitchell, & Dahlstrom) but not guys I would call a hit. If historical trends hold, out of the 4 2nd rounders, we'll get one meaningful good NHL player (most likely from the 35 or 44 pick), 1 guy that plays some, and 2 busts.
If you can package 2 or 3 of the 6 2nds and 3rds into another 1st, there is pretty good reason to consider doing it.