Just got one of these.
http://www.amazon.co.uk/gp/product/B007RVM99U/ref=oh_details_o02_s00_i00
It is cheap (and feels cheap) but works fine as a card reader in conjunction with Nexus Media Importer (Read Only - I guess I would need to 'root' if I wanted write access - but as my main reason for getting it was to view photos on my camera memory cards and carry extra media around that is no big issue)

I bought a right angle OTG cable the other day via Amazon (Thus one http://www.amazon.it/gp/product/B007MOD0KE/ref=fb_lfb_prodpg_1 - though there are many similar around). It works perfectly well but in landscape mode, with the buttons on the top and usb socket on the right (the ideal orientation - indeed the only orientation for Angry Birds!), it points upwards rather than downwards. I guess this is because the Nexus socket is the 'other way up' in comparison to similar devices that use micro usb

Well as there is a place for introducing myself...

I find myself travelling quite a bit as 'home' is the UK but I currently work in Italy

I tried a cheap Chinese 7" tablet a year or so ago (marketed by Cambridge Science) - android 2.3 - quick enough but clunky and a bit bulky. I didn't want on ipPad (honest) as it is too big (and too expensive) - nothing against IOS as I like my iPhone 4 very much

Anyway when the Nexus 7 came out I couldn't resist. I've had it a week and I am very pleased so far. Hope the cheap keyboard case I bought my Cambridge one works with this - I just need the right cable (searching for that info led me here in the first place)

Pity there is no Micro SD or HDMI, but as I didn't intend it as first and foremost a media machine that is no big deal.

Anyway back to playing with my new toy....

Tony