I do custom as well and the first attempt (u3-u4) was all f-ed up as I obviously didn't select the correct options.
I think I remember what I did though, so I should be good. Worst case, I'll wipe the ****. Its Friday night, I don't have work for the whole weekend so if I screw anything up, oh well, lol.
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HTC One (M8)
Galaxy Tab 3
LG G2 UPGRADED
(16GB Blue) Galaxy S III - T-Mobile RETIRED
Kindle Fire RETIRED
Galaxy Nexus - GSM Unlocked STOLEN
Nexus One - RETIRED