Shimano mountain/touring shoes...?

[ArisaemaDracontium]

I'm in the market for some shoes for off-road touring, and urban riding (among other things). The X-Alps are too narrow for my feet, but it seems Shimano fits me pretty well.

Does anyone know the difference between the MT32/33, MT 43 and MT53? Looks like the MT43 adds a velcro strap, and the MT53 are "high tops". Does anything else like sole stiffness differ?

I was in a hurry last week and found the MT32's at a LBS and just went ahead and bought them... now I am starting to wonder if I made a sound descision. It seems like the velcro strap on the MT43's would both keep my laces safe and increase pedaling efficiency by keeping my foot locked down better.

Anyone know anything about these shoes?

[Done]

I ride with Shimano shoes, and I love them. They all have reasonably stiff soles, but are still good for walking. I've used the ones with straps, and ones without--and they are both about the same on the bike. But for long hike-a-bike sections, I prefer the ones with straps since they seem to keep my heel from lifting as much--which means fewer blisters. You can also tighten and loosen them quickly, which is convenient for varying terrain.

I'll be using the MT53 for the CTR this year. The high tops do restrict ankle motion a tad, but they are excellent for hiking!

Other than that, I'm not an expert on all of the differences.

[ArisaemaDracontium]

Man, I'm really feeling like a chump for buying these shoes.

Trying them on again tonight, even pretty loose (and with skinny socks) the 43's are no where near wide enough for my toes.  I wear 42.5 in Specialized comfortably, how is it 43's are small in Shimano?  And since they only come in whole sizes, I'm worried that 44's will be too big if I go with he MT53 or MT42.

Can anyone suggest other "adventure shoes" that fit a guy with a wide toe box?  The X-Alps seemed really narrow to me, but maybe they would work in a size 44?