So I got to the Wildlife Preservation last night and had 410 MS points left just laying around and got the Natural Selection Annex just so I could farm them.
I got an average of 2 E-Tech relics per run, plus a Large Bunny (lvl. 52), Legendary Soldier Mod (lvl. 55), Logan's Gun (lvl. 51), a Storm Front (lvl. 54 I think) and a Jimmy Jenkins in around 11 or so runs.
No Pearls though :(, but I'll get to it tonight.
The relics are up for grabs for anyone who wants them, they're all in the 52-55 lvl range. Can't remember what the stats are on them but I'll gladly post them tonight when I get home from work if anyone is interested. Plus I'll post if I get another Jimmy Jenkins so anyone can get the challenge.