Brian - i'd say higher HR in the morning IS strange unless you're doing 10 milers in your sleep
or maybe it's a " SUB-3" thing 
atd - it's good not to worry too much about HR ( i've been guilty ) and just concentrate on enjoying your runs. Too much faffing about takes away the enjoyment
BD - keep with it, your patience will be rewarded 
mugpunter - welcome and good luck. I've had some great advice on this thread from some very experienced people who know their onions
Dan - sorry to hear of the tech hiccup
... good luck with the Dash
chick' - generally i also find evenings harder and prefer to get it done in the morning knowing people are wasting their time sleeping while i'm plodding the streets. Less people/traffic about too
@ the CNBA fairy, think she's been having a go at me lately as well. This time of year has traditonally ( before i got more serious ) been about the time she wins me over until new year but with a marathon booked in April she can do one 
Anyway, this MORNING 6.55M in 60 mins = 9.11m/m @ 125 HRav ( 69% ) .... 16 seconds per mile quicker than Weds EVENING for the same effort